From the point of word formation, the phenomenon of lexical blending is a common productive process, entailing the notion of combination of lexemes in so many languages. In the vast majority of literature on blends, they preserve a linear formation of segments with a shortening of both lexemes. However, in sign languages where morphological categories are mainly encoded by non-concatenative morphology, signed blends can be created by the general mechanism of templatic structures, the combination of lexical bases into a non-linear sequence. Specifically, the main purposes in this study are (i) to provide a comprehensive definition of blending formation in signed modality, (ii) to determine whether there are any structural regularities in the formation of lexical blends in Turkish Sign Language (TİD), and (iii) to classify TİD blends according to well-defined criteria. The corpus data to be studied currently include 109 blending formations. Overall, the results demonstrate that TİD data has familiar properties of blends (named complete blends here) in established spoken languages, as well as modality-specific types of root, simultaneous and initialized blends. We propose a modality-specific categorization, in which blend formation is not limited to linear organization and actual source words.

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Recently, many studies have examined the phonological parameters in sign languages from various research perspectives, paying close attention in particular to manual parameters such as handshape, place of articulation, movement, and orientation of the hands. However, these studies have been conducted on only a few sign languages such as American and British Sign Languages, and have paid little attention to nonmanual features. In this study, we investigated yet another sign language, Turkish Sign Language (TİD), focusing on both manual and nonmanual features to examine "minimal pairs", a cornerstone concept of phonology. We applied Brentari's (2005) feature classification and Pfau and Quer's (2010) phonological (or lexical) nonmanual categorization. Our analysis showed that both phonological features and constraints on TİD sign formation have a phonological structure similar to other well-studied sign languages. The results indicate that not only are phonological features a necessary notion for the description of both manual and nonmanual parameters at the lexical level in TİD, but also that nonmanuals have to be considered an essential part of sign as a way of better understanding their phonological roles in sign language phonology.

Fundamental research topic in the second language acquisition studies is that acquisition process is based on how and when it occurred. In this research, acquisition strategy of lexical and inherent cases of individuals who acquired Turkish as a second language and the effects of inherent case's being more regulate and predictable on acquisition of second language were discussed. Ablative and dative were chosen from among the case types and source, goal and theme were chosen from among the thematic roles types. 36 participants consisting from language level of B1 ( 19) and B2 ( 17) took part in the study. The data collected via Grammaticality Judgement Test based on case, which was developed by researchers and The test was applied 240 native speakers to determine the reliability. Cronbach's alpha coefficient of internal consistency reliability was measured and reliability of the test was found to be .77.