Open research questions in Syntax, Semantics, Linguistic Variation
761 gap statements mined from Syntax, Semantics, Linguistic Variation papers in our 7.9M-paper local library, which holds 7,246 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.
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What the literature leaves open
However, the REF-REC in these two Arabic varieties is peculiar, as it can trigger any of the following three interpretations, unlike in other studies, where the third interpretation has not been reported: reflexivity, reciprocity, or both at the same time.
The study reveals that the internal and external syntax of causal clauses introduced by each subordinator has remained stable from Old Italian to the present, but the reasons for this stability are not well understood.
The Internal Structure of Causal Subordinators and the Attachment Site of Causal Clauses in the History of Italian · 2026 · DOIIt argues that prior work has not fully accounted for the correlation between object shift and interpretation. The paper claims to fill this gap by proposing a referential licensing condition that restricts movement to SpecvP to arguments bearing a referential feature [+Ref].
Whether the under-additive profile demonstrated here extends to non-local constraints such as islands, to word order, to sentences with three or more violations, and to typologically distant languages therefore remains an open question.
This paper takes the V‑qilai MC as the representative, and the relationship among these constructions warrants further investigation.
What this competition looks like in detail was not investigated empirically in the present paper, but the previous literature suggests mitigation seems to be a general function of TRUTH markers, e.
“Not gonna lie, that’s a real bummer”—The Usualization of the Pragmatic Marker not gonna lie · 2025 · DOIThis issue requires further investigation, and future research may consider including to-datives as part of their evaluation of the SCP.
On the Acquisition of English Complex Predicates and Complex Word Formation: Revisiting the Parametric Approach · 2025 · DOIAn anonymous reviewer pointed out that these examples of chigau need to be examined in sequential contexts, which we hope to accomplish in the near future.
The Atypicality of Verb-Final Clauses in Japanese Conversation: Toward a Speaker-Centered Characterization of Japanese Clausal Syntax · 2025 · DOIEach of these areas warrants further study, not just in Mende, but in the broader Mande family. As such, it highlights some syn‑ tactic characteristics of these understudied languages providing a basis for further research on subject markers, verbal complements, focus constructions, and the left periphery.
Our excursion has broadened the understanding of strict negative concord, especially in the domain of quantificational status where crosslinguistic coverage is lacking, introduced a rare universal NPI, and proposed treating it on a par with existential PPIs.
Whether this suggestion fully accounts for the difference between NCAs and defeasible causatives remains to be seen. I agree completely that the relevance/importance factor needs to be explored in detail.
While previous research has suggested a potential association between these constructions and specific language use situations, empirical studies examining distribution of LD and LT in Czech remain scarce.
This pattern, however, is limited to a subset of verbs in the language that participate in the causative–inchoative alternation. Further investigation into this phenomenon is clearly warranted.
This line could be explored: maybe count nouns need an overt ⊆ to be plural, whereas mass nouns are inherently ⊆ (any portion of water is water, so it already has part–whole internally)—hence no reduplication. Such a hypothesis fits our framework and could be explored in future works.
This suggests that we are able to capture a universal configuration for complex PPs, where variation is limited to the phonological realization of the relators rather than reflecting a change in the underlying syntactic architecture.
The formerly embedded CP loses che—another open issue to be discussed—and acquires main-clause status, containing the main proposition.
The Couranten Corpus and Corpus Historisch Nederlands were only made available after data collection for this article, but they might prove very useful for further research on these verbs.
The Emergence of the Descriptive Perception Verb Construction in Dutch: Syntactic and Semantic Developments · 2026 · DOIWhile these effects are well documented among native speakers, little is known about how second language (L2) learners navigate such dimensions.
How endpoint salience and semantic distance shape L2 implicature derivation behavior in gradable adjective scales · 2026 · DOIThis descriptive account contributes to the preservation of the Safwa language and provides essential reference material for further linguistic study of under-researched Bantu languages.
Among the topics identified for future research, it seems necessary to carry out further investigation into the behavior of adjectives that appear with estar in the innovative Spanish varieties but that are only combined with ser in standard Spanish.
Lexical–Syntactic Classes of Adjectives in Copular Sentences across Spanish Varieties: The Innovative Use of Estar · 2024 · DOIFurther investigation of this idea should look into the frequency of A-P hybrids with respect to other ways of expressing impersonals and passives across Spanish varieties.
This article explores Hlai, a language that has been only sparsely documented in prior scholarship, with particular emphasis on the semantic and grammatical properties of its visual verbs.
There is a confound in this argumentation that is rarely addressed in the literature: One first has to ensure that none of the (non-ellipsis) repairs of the that-trace effect has applied in the ellipsis site, e.
The That-Trace Effect—A Surface or a Deep Island Phenomenon? Evidence from Resumption and Prolepsis in Igbo · 2024 · DOIAgain, it remains to be studied if examples like Lá de Jorge nada temas…
Locative relativization in Mbundu has not been addressed in the literature, but it came to our attention that the locative morphology may also, additionally, occur on the head noun according to the Goal/Locative distinction…
Spatial Locative Relativization in Three African Varieties of Portuguese: Unity in Diversity and Diversity in Unity · 2024 · DOI
Most-cited papers in Syntax, Semantics, Linguistic Variation
- Thematic proto-roles and argument selection · Language · 1991 · 3,846 citations
- Linguistic complexity: locality of syntactic dependencies · Cognition · 1998 · 1,475 citations
- Identificational focus versus information focus · Language · 1998 · 1,453 citations
- A classification of illocutionary acts · Language in Society · 1976 · 1,378 citations
- The lexical nature of syntactic ambiguity resolution. · Psychological Review · 1994 · 1,285 citations
- Head-marking and dependent-marking grammar · Language · 1986 · 1,266 citations
- The Mathematics of Sentence Structure · American Mathematical Monthly · 1958 · 1,161 citations
- Syntactic persistence in language production · Cognitive Psychology · 1986 · 1,156 citations
- The Greenbergian word order correlations · Language · 1992 · 1,141 citations
- Cognitive Status and the Form of Referring Expressions in Discourse · Language · 1993 · 1,140 citations
Most recent work
- The Acquisition of English Passive Constructions by Mandarin Speakers: A Developmental Perspective · 2026
- How and when to use causal and associational language · BMJ · 2026
- MEG investigation of adjective order preferences as a syntactic constraint · Cognition · 2026
- Pre-registration: Measured, Not Felt (Paper 4) — Appendix A Thresholds and Analysis Plan · Zenodo (CERN European Organization for Nuclear Research) · 2026
- Artificial Speech Acts · Analysis · 2026
- Detecting patterns of change in the development of the Mandarin dative alternation: from attraction to differentiation and the reversal · Cognitive Linguistics · 2026
- The grammar of gender: Insights from Bantu asymmetries of AGR with conjoined subjects · Natural Language & Linguistic Theory · 2026
- Adjectives without syntactic categories · Natural Language & Linguistic Theory · 2026
- Two kinds of singular they: A usage-based model · Glossa a journal of general linguistics · 2026
- Reconciling animacy and noun class in Bantu · Glossa a journal of general linguistics · 2026
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