2[1]Biber,et al.Longman Grammar of Spoken and Written English[M].Beijing:Foreign Language Teaching and Research Press.2000.
3[2]Granger,S.The computer learner corpus:A versatile new source of data for SLA research[A].In S.Granger (ed.) Learner English on Computer[C].London and New York:Longman.1998.
4[3]Halliday,M.A.K.An Introduction to Functional Grammar[M].London:Edward Arnold,1994.
5[4]Johns,T.F.Should you be persuaded:Two examples of datadriven learning[A].In T.F.Johns & P.King (eds.) Classroom Concordancing[C].Birmingham:ELR,1-13,1991.
6[5]Kennedy,G.Amplifier collocations in the British National Corpus:Implications for English language teaching[J].TESOL Quarterly,2003,37/3:467-487.
7[6]Krashen,S.Principles and Practices in Second Language Acquisition[M].Oxford:Pergman Press,1982.
8[7]Lorenz,G.Overstatement in advanced learners' writing:Stylistic aspects of adjective intensification[A].In S.Granger (ed.)Learner English on Computer[C].London and New York:Longman,1998.
9[8]Quirk,R.et al.A Comprehensive Grammar of the English Language[M].London and New York:Longman.1985.
10[9]Rinbom,H.Vocabulary frequencies in advanced learner English[A].In S.Granger (ed.) Learner English on Computer[C].London and New York:Longman,1998.
