Research on its acquisition difficulty mainly focuses on two aspects: relative clause type and matrix position.

Choosing the English relative clause as the target structure,the present study does empirical research on effects of output and self-correction on the grammatical accuracy.

The strategies of English and Chinese relative clauses(RC) processing are studied through self-paced reaction time experiment.

This paper discusses the processing of English RC(relative clause) attachment ambiguity by native speakers and ESL learners whose native languages are of the same language family with English from a cognitive perspective based on an analysis of the main factors related to sentence processing.

Accessibility hierarchy hypothesis and Chinese learners’ acquisition of English relative clauses;

On the basis of studying Chinese English learners’ understanding competence and productivity of relative clauses and ability of processing sentences, this paper finds that there is a great difference between producing procedure and understanding procedure, which leads to a conclusion that the more complicated the sentence is, the more difficult the productivity is.

This is an empirical study on Chinese learners acquisition of six types of relative clauses inserted in matrix subject position and matrix object position,with the purpose to test the predictions of previous research hypotheses such as Accessibility Hierarchy Hypothesis(AHH), Perceptual Difficulty Hypothesis(PDH)and SO Hierarchy Hypothesis(SOHH).