... domains of units: there are systems of sentences, of clauses, of groups, of words, and of morphemes. Basing on the source language, students are taught to distinguish the similarities and the ... 2. Aims of the study With the rationale above, this graduation paper is aimed at: - Making a brief preview of theory of syntax and semantics and giving an overview of syntactic and semantic ... features of negation in both English and Vietnamese. 13 - Studying negation in terms of its structures and semantics and finding out the similarities and differences between English and Vietnamese....