Turkish EFL Learners’ Acquisition of Psych Verbs and Unaccusative Verbs: A Replication Study on Underpassivization and Overpassivization

The processability account anticipates that learners will make more underpassivization errors than overpassivization since passivization entails processing. Although one study on psych-verbs and a few unaccusatives examined Turkish L2 learners’ acquisition, no research compared single set of acquisitions these verbs together from processing point view. In this regard, the current aims to investigate whether complexity influences acquisition psych unaccusative verbs. It also questions general accuracy levels in Grammaticality Judgement Task (GJT) degree familiarity with target are related their level individual 33 undergraduate-level university students performed GJT Word Familiarity Rating (WFRT). included 38 items 12 sentences for psych-verbs, unaccusative-verbs, distracters 2 examples. WFRT was survey questioning 6 To analyse data, nonparametric tests descriptive statistics were used. results revealed mor
 accurately psych-verbs. They did by accepting ungrammatical active constructions Their performances went parallel while two do not correlate each other.The suggest such factors as L1 transfer seem impact acquisition.
 Keywords:Second language acquisition; verbs; underpassivization; overpassivization.
 e overpassivization.