The Syntax and Semantics of English Auxiliaries by Kurd Learners at College Level is concerned with the syntactic and semantic aspects of English auxiliary verbs (which comprise the primary and the modals) as a problematic area for English foreign language learners. The study aims at investigating Kurd EFL learners’ ability in recognizing and producing the various forms and meanings of English auxiliary verbs, clarifying the problems that Kurd EFL learners encounter in learning the auxiliary verbs and identifies the sources behind them, and trying to put suitable suggestions to overcome these problems.Its use of error analysis methodology makes this study unique as there are no other studies within its field to deal with topic in such a systematic and analytical method.