1Alcon E. Incidental focus on form,noticing and vocabulary learning in the EFL classroom[J].International Journal of English Studies,2007,(02):41-60.
2Ellis R. Does form-focused instruction affect the acquisition of implicit knowledge[J].A review of the research SSLA,2002,(24):223-236.
3Krashen S. Principlles and practice in second Language acquisition[M].London:Longman,1982.
4Laufer B. Focus on form in second language vocabulary acquisition[J].EUROSLA Yearbook Yearbook5,2005,(01):223-250.
5Leeser M. Learner proficiency and focus on form during collaborative dialogue[J].Language Teaching Research,2004,(03):315-345.
6Long M. Focus on form:A design feature in language teaching methodology[A].Amsterdam:John Benjamins,1991.39-52.
7Richards J C. Second thoughts on teaching listening[J].En RELC Journal,2005,(01):85-92.
8Schmidt R. The role of consciousness in second language learning[J].Applied Linguistics,1990,(02):129-159.
9Swain M. Communicative competence:Some roles of comprehensible input and comprehensible output in its development[A].Rowley Mass:Newbury House,1985.235-253.
10Van Patten B. Input Processing and Grammar Instruction in Second Language Acquisition[M].Norwood,NJ:Ablex,1996.
