摘要：This paper first briefly introduces the previous studies on second language learners’ chunk use. Then it gives the definition and classification of prefabricated chunks. In part two, it explains the process of the research design by introducing three important three important criteria-frequency, accuracy and variation to measure student’s ability in chunk use. In part three, the results of the research are discussed in detail which shows that English learners’ ability to use chunks is positively correlated with their language level. Second year in college is the most important year for second language learners to acquire prefabricated chunks.
