4Biber, D., Johansson, S., Leech, G., Conrad, S., Finegan, E. Longman Grammar of Spoken and Written English [ M ]. Beijing: Foreign Language Teaching and Research Press, 2000.
5Kennedy, G. An Introduction to Corpus Linguistics [ M ]. Beijing: Foreign Language Teaching and Research Press, 2000.
6Sinclair, J. Collins COBUILD English Grammar [ M ]. London: William Collins Son & Co Ltd, 1990.
7Sinclair, J. Looking up-an Account of the COBUILD Project in Lexical Computing[ M]. Collins ELT, 1987.
8Tognini Bonelli, E. Corpus Linguistics at Work[ M]. Amsterdam/Philadelphia: John Benjamins Publishing Company, 2001.
9Cook, V. Linguistics and Second Language Acquisition [ M ].London: Macmillan. 1993:246
10Ellis, R. Instructed Second Language Acquisition: Learning in the Classroom [M]. Basil Blackwell. 1991: 32, 38, 41, 60, 151,161,169,170,181.