Collocation consists of pairs or groups of words that co-occur with very high frequency and are important in vocabulary learning. What are two main syntactic groups of collocation? (A)Semantic or lexical collocations. (B)Grammatical or lexical collocations. (C)Lexical or phrasal collocations. (D)Grammatical or contextual collocations. 搭配詞的分類由Benson和Ilson所提出: (1)語法搭配(grammatical collocation) (2)詞義搭配(lexical collocation)