Inlinguistics,dative shift refers to a pattern in which thesubcategorization of averb can take on two alternating forms, the oblique dative form or the double object construction form. In the oblique dative (OD) form, the verb takes anoun phrase (NP) and a dativeprepositional phrase (PP), the second of which is not a coreargument.

(1)Johngave [_NPa book ] [_PP.DATIVEto Mary ].

In the double object construction (DOC) form the verb takes two noun phrases, both of which are corearguments, with the dative argument preceding the other argument.

(2)Johngave [_NP.DATIVEMary ] [_NPa book ].

Terms used in literature on dative shift can vary. The chart below provides terms used in this article along with commonsynonyms used elsewhere.

Traditional grammar suggests (as a "rule of thumb") that only single-syllable verbs can be in the double object construction (DOC).^[1]

(3a)Johnbought [Mary] [a cake ]

(3b)Johnbought [a cake ] [for Mary ]

(4a) *Johnacquired [Mary ] [a new car ]

(4b)Johnacquired [a new car ] [for Mary ]

One explanation for this lies with the origin of the verbs that allow the double object construction. Generally, native (Anglo-Saxon) verbs allow the DOC form, whereas Latinate verbs do not. This is thought to be primarily due to the stress associated with native verbs, rather thanetymological conditions, as native verbs often have a single metricalfoot as opposed to multiple metrical feet common of Latinate verbs.^[2] Therefore, a morphological constraint on the distribution of verbs participating in dative alternation is influenced by phonological properties. Pinker (1989) supports this observation with examples of Latinate verbs with one metrical foot (e.g. promise, offer, assign, award) that allow the DOC.^[3]

An additionalsemantic component constrains some native verbs further. These verbs must have thetheta-role ofthematic relation recipient/goal/beneficiary in their theta grid when in DOC form. A theta grid is where theta roles are stored for a particular verb (see Section 2 on thetheta role page). In example (5), the DOC form is not permitted, despite the verb root being single syllable, because [wash] lacks the theta-role of recipient. One explanation for why the verb lacks this theta-role is that there is nopossessive relationship between the direct object and the indirect object).^[1]

(5a) *[John]washed [Mary] [the dishes]

(5b) [John]washed [the dishes][for Mary]

The double object construction requires apossessor/possessed relationship. This means the indirect object in the oblique dative construction must have the theta-role of beneficiary (PP introduced by [for]) or recipient/goal (PP introduced by [to]) to be a candidate for the dativealternation.^[4] This theory suggests verbs chosen for the double object construction are done so before syntactic processes take place. The knowledge of the relationship of possession/possessed (the semantic constraint) is learned prior to the class constraint of the verbs (native vs. Latinate). The table below demonstrates verbs that do and do not allow the DOC form, verbs have been underlined for clarity.

Noam Chomsky, inThe Logical Structure of Linguistic Theory (1955, 1975) provides a proposal about dative structure usingtransformational grammar.^[5]

Chomsky's argument suggests that an oblique dative example like [John sent a letter to Mary] derives from anunderlying form.^[6]: 335

In this oblique dative sentence [John sent a letter to Mary], the verb, [sent], and its indirect object, [to Mary], make up aconstituent that excludes the direct object [a letter]. The OD form therefore involves an underlying verb phrase (VP) whose subject is [a letter] and whose object is [(to) Mary]. The VP [sent to Mary] is considered an innerconstituent. This inner constituent is clear to see in theD-Structure, but is obscured in theS-Structure after V-Raising.^[6]: 335

Examples (6) and (7) show the oblique dative form as it appears in its underlying representation before V-Raising (6) and in its surface representation after V-Raising (7):

(6) John [_VP a letter [_V' send to Mary]] (D-Structure)

(7) John send [_VP a letter [_V' to Mary]] (S-Structure)

In his book,Connectedness and Binary Branching,^[7]Richard S. Kayne proposed that an emptypreposition is the source of the double-object construction. In his analysis, English prepositions have the ability to assign objectivegrammatical case. Kayne argues that an empty preposition is responsible for allowing a double object construction.

(8) John bought [_pp P_e [Mary]] a book.

Kayne continues with the notion that anempty preposition (P_e) cannot be the source ofcase role. Instead the empty preposition transfers the case assigned by the verb. He further stipulates that case may only be transferred via prepositions that normally assignobject case. Therefore, languages that do not assign object case via prepositions (such asFrench) cannot have the double-object form.

In their 1986 paper "A Note on Anaphora and Double Objects", Barss and Lasnik point out a number of asymmetries in the behaviour of the two NPs in double object construction. All of their findings point to the same conclusion: in constructions involving a verb phrase of the form V-NP1-NP2, the first NPc-commands the second NP, but not vice versa.^{[8]: 347–54} The paper provides significant evidence for rejecting linearphrase structure trees.^[8]: 347

Larson builds off of the original proposal made by Chomsky, stating that the Oblique Dative form is derived from an underlying structure. Larson suggests that both the oblique dative form and the double object construction are surface representations. He relates the oblique dative and double object structures derivationally.^[6]: 350

To account for oblique datives, Larson adopts a proposal originally made by Chomsky (1955, 1975), where the verb in thedeep structure is raised in the surface structure (S-structure) (see Figure 1).

The correct ordering of the oblique dative surfaces throughhead to head movement. See Figure 2. The verb [send], which moves to the empty V position, has two thematic roles that are assigned to the internal arguments theme: [a letter] and goal [to Mary].^[6]: 340 The movement leaves atrace at the original V and creates a sequence ofco-indexed V positions.^[6]: 343 Raising is attributed to case and Inflectional Agreement.^[6]: 343

Larson's motivations for V' Raising are the same motivations used to derive the surface order of raising in VSO languages, such as Irish. Specifically, the subject NP can receive case from the V, when Vgoverns the NP. Citing Chomsky (1975, 55) in the process, Larson provides an intuitive explanation of oblique datives. He argues that [to send] forms the small predicate [send-to-Mary.] It can be said of this smallpredicate that it has the inner subject [a letter]. This forms a clause-like VP [a letter send to Mary]^[6]: 342

Larson states that the double object construction can be explained under a derivational approach.^[6]: 350 He proposes an operation he names “passive derivation” defined as: NP movement that promotes an argument to the subject position of an inflectional phrase or verb phrase.^[6]: 351

First, Larson strengthens the argument that the two NPs in Figure 1 above, relate to subject and object position. He states that thegoverned prepositionto has the status ofdative casecase marking.^[6]: 351 This is similar to case marking appearing on indirect object in more highlyinflected languages.^[6]: 351 Secondly, Larson extends operations that apply between subjects and objects to structures such as those shown in Figure 1.^[6]: 351Specifically, he looks the two main effects of passive derivation occurring in the inner VP:

• Withdrawal of case from object position
• Suppression of thematic role assignment in subject position

Larson makes one amendment to the derivation of passives calledargument demotion that states that a theta role must be assigned to a V' adjunct.

With this amended view of passive formation, Larson derives the double object construction surface representation. When the indirect object NP is moved to the VP subject position, the application of passive derivation results in the absorption of the case assigned to the indirect object, and hence the absorption ofto. The theta role assigned to the subject of VP undergoes demotion, reducing the position to non-thematic status. The direct object is realized as a V' adjunct and receives its theta-role from V', consistent withargument demotion.^[6]: 352 The changes from the underlying form to derive the surface structure of the DOC are depicted in Figure 3 and summarized below.

^[6]: 351

At present, there are two major classes of analyses for dative shift; these two classes have been called the Uniform Multiple Meaning Approach (Levin, 2008) and the Single Meaning Approach (Hovav & Levin, 2008), with the former being considered the dominant approach.

In most variants of the Uniform Multiple Meaning Approach (Beck & Johnson 2004,^[9] Harley 2003,^[10] Pinker 1989^[11]), it is assumed that the relationship between the double object construction and the oblique dative forms is non-derivational. That is to say that the alternation arises not purely from syntactic factors, but from semantic ones as well; each variation is associated with its own meaning, and hence, each meaning has its own realization of arguments. This shows a clear departure from some of the main beliefs in Larson's 1988 analysis. In most realizations of this approach, dative verbs have both thecaused motion meaning, expressed by the OD form and thecaused possession meaning, expressed by the DOC form (Goldberg, 1995^[12]).

Contemporary theories that take the Single Meaning Approach continue to consider dative shift with the assertion Larson's 1988 analysis makes: that the DOC and OD variants are associated with the same semantic meaning, but surface differently due to different argument realizations (Hovav & Levin, 2008^[13]). Variants of this approach include Jackendoff's (1990),^[14] in which he provides different analyses for verbs with different types of meaning (e.g. “give” and “sell” vs “throw” and “kick” shown in the table below). This approach, also taken by Hovav and Levin (2008), is known as the Verb-Sensitive Approach.

Findings have shown^[15] that by age three children demonstrate an understanding of dative shift alternation. When presented with both alternations using novelverbs, children are more likely to shift the DOC form into the oblique dative form. For example, children were presented with novel verbs in both the double object construction and oblique dative forms:

(9) "You pilked Petey the cup" (DOC)

(10) "You gorped the keys to Toby" (oblique dative)

After hearing these two forms and then being asked to produce a corresponding alternation for one of the two, children were more likely to produce the oblique dative (11) than the double object construction (12).

(11) "I pilked the cup to Petey" (oblique dative)

(12) "I gorped Toby the keys" (DOC).^[15]

Although DOC and oblique dative forms are common productions for children at age three, the dative shift poses a paradox for young children learning English. The paradox, termed "Baker's Paradox", can be summarized in the following examples.

When children hear both forms:

(13a) Give money to him (OD)

(13b) Give him money (DOC)

Children may formulate alexical rule, deriving the double object construction from the oblique dative form. However, the rule would permit the following example of overgeneralization:

(14a) Donate money to him. (OD)

(14b) *Donate him money. (DOC)

Example 14b is an overgeneralization because dative shift has been applied to the verb "donate", whereas in fact "donate" cannot undergo dative shift.^[16]: 204

When children say ungrammatical sentences, they are not often corrected. How, then, do children avoid overgeneralizations such as the one above? There are two main hypotheses which try and explain how children avoid overgeneralizations, the "conservatism" hypothesis and the "criteria" hypothesis.

The "conservatism" hypothesis proposes that children do not overgeneralize the double object construction to verbs such as [donate] and [whisper] (ex. [John whispers Mary the secret]), because the child never hears ungrammatical double object constructions in their input. The child only recreates forms they hear in their input and therefore does not generalize the double object construction.^{[16]: 204–205} This idea was first suggested by Baker (1979) who posited that children never make errors similar to those shown in (14b) and never receive information, about the ungrammaticality of (14b).^[17] Therefore, this hypothesis predicts that children acquire dative shift rules verb-by-verb, not by generalization.^[18]

The "criteria" hypothesis instead proposes that children learn to constrain their rule for dative shift and are able to apply it only to monosyllabic verbs (one-syllable verbs, ex. [give]), which indicate possession changes (ex. [Mary gave John the ball], where [give] denotes a possession change from Mary, to John). In other words, children are quite productive with their speech, applying dative shift to many verbs, but are constrained bymorphophonological criteria (monosyllabic vs.polysyllabic verbs), andsemantic criteria (possession change).^[16]: 205

Gropen et al. (1989)^[16]: 238 investigated these two hypotheses. According to these theorists, a strict "conservatism hypothesis" is false because children in their studies did not only use the double-object construction withverbs they had previously heard in that alternation. However, the theorists proposed a "weak conservatism hypothesis" (a less strict version of the "conservatism hypothesis") on the basis that children used verbs more often than not in the alternation they had heard them used in. With regards to the "criteria hypothesis", evidence shows that children do indeed have criteria-governed productivity, but only in a very general way.

A new hypothesis was proposed to account for everything the original hypotheses could not^{[16]: 203–257} by combining the "weak conservatism hypothesis", the "criteria hypothesis", and lexical information. The main idea presented is that speakers acquire a "dative rule" that operates on two levels: the "broad range" and the "narrow range" levels.

On the "broad-range level" the rule appliessemantically and lexically, or "lexicosemantically". In this account, thesyntactic change andsemantic constraints of the dative rule are consequences of a single operation, namely the lexicosemantic shift.

That is, if a verb beginning in the "X causes Y to go to Z" structure can alternate with the "X causes Z to have Y" structure and the sentence remains well-formed, then the child realizes that this verb can undergo dative shift. Figure 4, to the right, illustrates the alternation process.

Verbs that undergo the "dative shift" rule must also be specified by apossessor-possession relationship. Verbs whose meanings are not cognitively compatible with the notion of a possession change will not produce a coherent semantic structure in the double object construction.

The constraints characterized by this broad-range level form as a combination of children'slexical,semantic, andsyntactic structural innate knowledge, in addition to the frequency of these forms in their input.^{[16]: 240–242}

On the "narrow-range level" the dative rule constricts the broad-level rule, allowing it only to apply to subclasses of semantically and morphologically similar verbs. Narrow-range rules may be acquired by a procedure that is weakly conservative, in that the only verbs that the child allows to undergo dative shift freely are those verbs that they have actually heard undergo an alternation, or verbs that are semantically similar to them. The narrow subclasses of verbs are simply the set of verbs that are similar to a verb the child has heard to alternate. ‘Semantic similarity" would be defined as verbs that share most or all of their grammatically relevant semantic structure. For example, the notions ofgo, be, have, oract, as well as kinds of causal relations such ascause, let, and prevent, including the verbsthrow and kick, all share the same general semantic structure ofcause.^{[16]: 244–246}

The final constraint of this proposed hypothesis is themorphophonological constraint. It is proposed that children will apply the morphophonological constraint to subclasses of alternating verbs that areall from the native class (monosyllabic). If the set of alternating verbs are not all from the native class, then the child willnot apply the morphophonological constraint. This account correctly predicts that the morphophonological constraint could apply to some semantic subclasses, but not others. For example, children would apply the constraint to the following five subclasses of alternating verbs:

Children would not apply the constraint to the class of "future having" verbs because they are not all from the native (monosyllabic) class, thereby allowing the following DOC examples to be well-formed:

(15) Johnassigned/allotted/guaranteed/bequeathed Mary four tickets.^{[16]: 247–249}

Similar to English,Dutch also displays the phenomenon of dative alternation: (17a) illustrates the double object construction which has an unmarked NP theme and recipient object; (17b) illustrates the oblique dative construction which has only the theme encoded as a bare NP object and the recipient is marked by a preposition.^[19] Dutch has two main approaches to the analysis of the prepositionaan.

The Dutch prepositional phraseaan is typically analyzed in spatial terms. Van Belle and Van Langendonck (1996)^{[20][page needed]} suggest that one of the major semantic determinants of the dative alternation in Dutch is +/- material transfer. When the DOC form is used it highlights the involvement of the recipient, whereas when the OD form is used it emphasizes the literal physical transfer of the book.^[20] This idea of material transfer is further demonstrated in the following sentences:

(18a) Dutch: Vader bood oma zijn arm aan. (DOC)

English translation: Father offered Grandma his arm

(18b) Dutch: Vader bood zijn arm aan oma aan (OD)

English translation: Father offered his arm to grandma

In Dutch, sentence 18a, would be interpreted semantically as [Vader] offering [oma] his arm, presumably to help her walk. When the oblique dative form is used, as in sentence 18b, it would be semantically interpreted as [Vader] physically cutting off of his arm to give to [Oma] because it implies that a material transfer is involved.^[20] Supporters of the caused-motion analysis believe the +/- material transfer is only one of the major semantic determinants used in the analysis of the Dutch alternation, but nonetheless it still plays an important role.

De Schutter et al.^[21] (1974) argue against the caused motion analysis of the prepositional phraseaan. De Schutter uses example sentences, such as the ones in 19, to demonstrate that the semantic distinction between the Dutch DOC and theaan dative cannot be described in terms of ‘caused possession’ versus ‘caused motion’. This is because the unmarked construction for these sentences is the Oblique Dative construction despite the sentence itself not involving a spatial transfer. According to this approach theaan phrase of theaan dative is a prepositional object which is able to encode a variety of semantic roles.

(19a) Dutch: Ik bracht een laatste groet aan mijn geboortedorp. (OD)

English translation: ‘I paid a last salute to the village of my birth.'

(19b) Dutch: ?Ik bracht mijn geboortedorp een laatste groet. (DOC)

English translation: 'I paid the village of my birth a last salute'

Liu (2006) provides a classification ofMandarin verbs into categories and argues that the verb classes have intrinsic restrictions on which of the three dative constructions the verb can occur in. Chinese dative constructions involvegei, meaning "give/to". Thegei-OD construction in (16a) is the equivalent of the English oblique dative form in which the dative prepositional phrase is [_PP.DATIVEgei object]. The Mandarin DOC construction in (16b) parallels the English double object construction. In addition, Mandarin has the V+gei DOC in (16c).

Liu shows that the 3-way dative alternation illustrated in (16-18) is very restricted in Mandarin, as it is only possible with verbs whose core meaning involves transfer of possession. Specifically, only verbs that select an argument with the role of recipient are licit in all three constructions, as they encode transfer of possession to the recipient.^[22] This means that while English allows the dative alternation — that is, both the oblique dative and the double object construction — with verbs that have an extended meaning of transfer such as verbs that select a goal or benefactive argument, Mandarin does not.^[22] This results in a more restricted distribution of verbs in dative alternations in Mandarin compared to English.^[22] Ai & Chen (2008) further show that Mandarin only allows the dative alternation with verbs that select a goal argument.^[23] This is shown by the ungrammaticality of sentences in Chinese with a verb that selects a benefactive argument such asjian "build". Ai & Chen argue that, in Mandarin, the benefactive argument attached as an adjunct to VP: because it is outside the local domain of the verb it is not subcategorized by the verb, and so cannot alternate with the theme argument.

Similar to English, Lee (1997) suggests that both oblique dative and double object construction occur inKorean.

In the OD, instead of using the verb to/for, a recipient is marked by the dative marker [-ey/eykey]. This marker denotes what Levin (2010) calls "give-type verbs" that demonstrate caused possession.^[24]

This differs from similar constructions using the dative marker [-eyse/eykeyse] that indicates a locative or source argument. This marks "send-type verbs" that denote caused motion.[24]

Levin suggests that Korean adopts the Verb-Sensitive Approach which predicts that dative verbs are distinctly associated with event types.[24] This approach was proposed as an extension of the contemporary Single Meaning Approach, mentioned above.

One of the differences between Korean and English is that verbs only appear in the final position of a sentence in Korean, adopting a subject-object-verb (SOV) word order, whereas the majority of English sentences are formed with the subject-verb-object (SVO) structure.^[25] Baek and Lee (2004)^[26] suggested that Korean also displays an asymmetrical relation between the theme phrase and goal phrase. Unlike English which demonstrates the goal phrase c-commanding the theme phrase, Korean shows an opposite order, in which the theme phrase is in fact c-commanding the goal phrase.

The example below, given in Larson's (1988) work,^[6] shows the theme phrase being c-commanded by the goal phrase in the double object construction in English.

(23a) I showed John himself

(23b) *I showed himself John.

In order to further understand the theme–goal structure in Korean, Baek and Lee (2004) propose two explanations, "backwards binding" and "quantifier scope".

The backwards-binding approach helps demonstrate binding theory which requires an antecedent to c-command an anaphor.

The above example shows that it is possible to have backwards binding in the Korean double object construction, in which the theme can be backwardly bound to the goal. The goal phrase [seolo] is c-commanded by the theme phrase [Ann-kwa Peter], thus supporting the observation that Korean exhibits a Theme-Goal order.

Quantifier scope theory also supports the theme–goal structure introduced previously. When there is more than one quantifier involved in a DOC example in Korean, the dative–accusative (goal–theme) construction causes ambiguity while the opposite structure does not. An example provided by Baek and Lee (2004) is as follows:

Ambiguous case:

Unambiguous case:

In (25a), the example shows that the sentence appears to be ambiguous when the quantifier with the dative case precedes the quantifier with the accusative case, but not vice versa. In fact, (25b) helps to demonstrate that the goal phrase which is located at its base-generated position solves the ambiguity problem by participating in the scope interaction, which is consistent with the theme–goal analysis in Korean.

• Dative
• Case role
• Argument structure
• Object (grammar)
• Secundative language

• The dictionary definition ofdative shift at Wiktionary

• Grammar
• Transitivity and valency

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