6Hunston, S. Corpora in Applied Linguistics [M].Cambridge: Cambridge University Press, 2002.
7Nattinger, J. R & DeCarrico, J. S. Lexical Phrases and Language Teaching [ M]. Oxford: Oxford University Press, 1992.
8Pawley, A. & Syder, F. Two puzzles for linguistic theory:nativelike selection and nativelike fluency [ A ]. Language and communication [C]. Eds. J. Richards & R. Schmidt.London: Longman, 1983. 191-225.
9Sinclair, J. M. Corpus, Concordance, Collocation [M].Oxford: Oxford University Press, 1991.
10Skehan, P. A Cognitive Approach to Language Learning[M]. Oxford, U. K.: Oxford University Press, 1998.
