Simpson, Andrew (2000) Wh-Movement and the Theory of Feature- Checking. John Benjamins, hardback ISBN: 1-55619-856-6, xii+244pp, $75.00.
Reviewed by Edward John Garrett, Department of Religious Studies, University of Virginia
In "Wh-Movement and the Theory of Feature-Checking", Andrew Simpson presents an in-depth analysis of wh-constructions from a diverse variety of languages, and draws forceful and innovative conclusions regarding the licensing of wh- phrases. The book is a substantially revised version of his 1995 doctoral dissertation from the School of Oriental and African Studies in London. It is divided into three chapters: Chapter 1 introduces the problem of wh-in-situ, and puts forth numerous arguments against the traditional view that wh-phrases in-situ must covertly move to a +wh+Q Comp at Logical Form (LF). Chapter 2 introduces novel data from Iraqi Arabic, which shows that in some languages wh- phrases may be licensed non-locally, checked "at a distance" from their +wh+Q Comps. The data shows that crucial reference must be made to the position of wh- phrases at overt syntax (Spell-Out), and that such cases simply cannot be analysed with LF movement. Chapter 3 examines partial movement constructions (PM) in languages such as German and Hungarian. Simpson argues that PM supports Chapter 2's thesis that wh-phrases may be licensed non-locally. In Chapter 3 he also works out the details of his argument that the degree of locality of wh-phrase licensing in a given sentence depends on the exact nature of the +wh+Q Comp that occurs in the sentence. Furthermore, even the same language may have different +wh+Q Comps, and therefore may exhibit different kinds of locality restrictions in different sentences.
The overall force of Simpson's book is to question the need for LF as a separate level of representation, and to argue for a principled, but parametric, treatment of wh- phrase licensing which allows locality constraints to vary. The book would seem to be most directed at syntacticians, and particularly those in the Minimalist tradition - little mention is made of other traditions, and Chomsky's recent work figures prominently. However, since the data is cross- linguistically wide-ranging and much of it new, the book should also appeal to language typologists and empirically oriented semanticists.
I suspect that the conclusions of Chapter 1 will be fairly uncontroversial. Simpson correctly notes that arguments for LF have hinged crucially on the "LF parallelism assumption", the idea that LF movement dependencies essentially parallel those in overt syntax. He carefully investigates a variety of construction types, including sentences with 'only' and wh-in-situ, parasitic gaps, antecedent controlled deletion, weak crossover, and others, in each case showing that wh-in-situ behave differently from overtly moved wh-phrases. If there is LF movement of wh-phrases, then, it does not parallel overt wh-movement at all - and indeed Simpson proposes a no-movement approach to wh-in-situ.
Chapter 2 begins with thought-provoking new data from Iraqi Arabic (IA). IA exhibits an unusual constellation of properties. Generally, both wh-movement and wh-in-situ are possible. However, there are some cases where movement is allowed, but wh-in-situ is not. For example, while a wh- phrase may move across a -Q tensed clause to a +wh+Q Comp, it may not stay in-situ inside a -Q tensed clause. On standard accounts of wh-movement, this is most unexpected, since LF movement should be possible wherever overt movement is possible. The fact that the wh-phrase can move overtly shows that nothing blocks it from moving, but if it stays in-situ it is not licensed. Simpson draws several conclusions from this data: Significantly, there must be an overt licensing requirement on wh-phrases in IA. In particular, a wh-phrase may be licensed in a non-local "checking domain", provided that no tensed clauses intervene between the +wh+Q tensed clause and the wh- phrase. The IA data constitutes strong evidence against the "checking uniformity hypothesis" of orthodox Minimalism, namely that all features are checked locally in a Spec-Head or Head-Spec relation.
Simpson argues that it is a feature of parametric variation among languages as to how far the checking domain of a +wh+Q Comp spreads. In English, the limit is the sentence, since wh-phrases can occur in-situ at any distance from a +wh+Q Comp. In Bulgarian, strict Spec-Head locality is enforced.
If English wh-phrases don't need to move to be licensed, then why do they move? Reflection on this question leads Simpson to the second part of his thesis: the "triggering hypothesis" (TH). According to TH, the reason wh-movement occurs in languages like English is to disambiguate a +Q Comp as either definitely +wh or definitely +yes/no. This idea may be hard for some to swallow, but it does find some support in Cheng's work on the typology of question syntax.
The arguments of Chapters 1 and 2 seem fairly solid, and although many may disagree with the details, I think that Simpson's crucial arguments - e.g. that there is no LF wh-movement, and that there is non-local feature-checking - will be well-received. I am much less persuaded by the arguments concerning partial movement.
Again, the thrust of the argument in Chapter 3 is that wh- phrases must be licensed in their overt, Spell-Out positions. The problem of PM, then, comes to the questions of (a) what causes the wh-phrase to move to -Q Comp? and (b) what job is done by the dummy wh-phrases? I am not convinced by either of his answers.
Simpson argues that the dummy (expletive) wh-phrase in a PM constructions triggers a special type of +wh+Q Comp which enforces a weaker than normal locality restriction on wh-licensing. Therefore, wh-phrases in PM constructions need not move all the way to the root +wh+Q Comp, and instead need only move a short distance to a -Q Comp, to find themselves within the checking domain of a +wh+Q Comp. Simpson's argument is partly motivated by his observation that PM in German is subject to a kind of tense-related locality similar to the tense-related locality on wh-licensing in Iraqi Arabic (see above).
The PM chapter, however, suffers from several weaknesses. First, there is no discussion whatsoever of possible meaning or use distinctions between PM and non-PM constructions, where the two freely alternate. It is assumed that the two kinds of constructions are identical in meaning and use, but no evidence is given one way or the other. As long as investigations of PM continue to fail to address this issue, they must remain cast in a significant shadow of doubt.
This lingering doubt is particularly bothersome in connection with Simpson's claim that "PM cannot possibly be analyzed as involving checking of any other non-wh features" (p. 154). The confidence of this assertion notwithstanding, in fact the only non-wh movement that is explicitly argued against is PM as focus movement. Certainly, however, other possibilities come to mind, including for example, PM as movement for scope, not of the wh-feature, but of the nominal part of the wh-phrase. The troubled relation between PM and negation in fact might suggest a scopal solution. In any case, any evidence of meaning or use distinctions between PM and non-PM would put the issue in a totally different light, so it is regrettable that this line of investigation is not explored.
A second problem concerns Simpson's critique of Horvath's LF pied-piping approach, in which the phrase containing the partially moved wh-phrase moves at LF to replace the wh-expletive in Spec, CP. Although Simpson does present several good arguments against Horvath's theory, he also takes these arguments to be general arguments against any "indirect dependency approach". But this is surely mistaken: one of the insights of Horvath's approach, as well as of pied-piping approaches in general, is that what matters is not the contained phrase (e.g. the wh-phrase itself), but the container phrase (e.g. the clause that contains the wh-phrase). The idea is that a wh- feature might move to percolate its wh-feature to its containing clause, and that it might be the clause which is in need of wh-licensing, not the wh-phrase. As far as I can tell, none of Simpson's criticisms of the LF pied- piping approach apply to a percolation without LF movement approach, which certainly shares the spirit of the pied- piping approach. In fact, a percolation without LF movement approach is very much in line with Simpson's own ideas, since what is then required is the overt, Spell-Out licensing of a wh-featured clause.
Finally, Simpson's chapter on PM seems to turn a well- supported view of expletive-associate relations upside down. Normally - and certainly in Horvath's approach - there is a direct relationship between the wh-expletive and the partially moved wh-phrase (or its containing clause). In Simpson's theory, on the other hand, the crucial relationship is between the +wh+Q Comp and the wh-phrase. The wh-expletive triggers a special kind of Comp, which then creates a special relationship with wh-phrases, which results in PM. To my mind, this adds a second level of difference where one was enough: Why do we need a different kind of +wh+Q Comp if we already have a different kind of creature in the wh-expletive? Why not maintain, more simply, that the wh-expletive in PM constructions has a special relationship with the partially moved wh-phrase or containing clause, and just keep Comp out of it? Given the importance of expletive-associate relations to syntax, and work already done by Horvath, Mahajan, Dayal, and others on this subject, why jump boat so soon?
Before closing, I want to add a brief remark in connection with Simpson's concluding thoughts. In spite of appearances to the contrary, he suggests, the collapse of the checking uniformity hypothesis does not constitute a significant challenge to the uniformity of syntax. That is, the fact that different languages define their wh-checking domain in different ways, and that even within the same language we may have different checking domains in different sentences, does not challenge the fundamental uniformity of syntax. Although this low-level variation does exist, "uniformity which can be taken as highly significant is assumed to be present in the cross- linguistic organization of functional structure and the requirement that functional heads successfully establish licensing relations with corresponding elements generated in lower lexical domains" (p. 231). While I agree with Simpson that his findings aren't irrecoverable blows to the uniformity of syntax, at the same time I don't think that his findings tend to support the uniformity of syntax either. Rather, I see them as a small dent in the uniformity machine. The machine is less beautiful as a result, but it will be some time still before we know for sure if the damage portends worse to come, or if it is only cosmetic.
About the Reviewer
I received my PhD from the Department of Linguistics at UCLA in January 2001. My dissertation was on evidentiality in Tibetan, and my research tends to hover at the intersection of semantics, pragmatics, and philosophy. Currently I am working at the University of Virginia as a linguist and computer programmer for a Tibetan language- learning project funded by the Department of Education.
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