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内容提要：

  介词

I.要点
1、介词和种类
(1) 简单介词，常用的有at, in, on, about, across, before, beside, for , to, without等。
(2) 复合介词，如by means of, along with, because of, in front of, instead of等。
2、介词和其他词类的习惯搭配关系
(1) 和动词的搭配，如agree with, ask for, belong to, break away from, care about等。
(2) 和形容词的搭配，如afraid of, angry with, different from, good at
(3) 和名词的搭配，如answer to , key to, reason for, cause of, visit to等.
3、介词短语可以有自己的修饰语，这种修饰语通常有right, just, badly, all, well, directly, completely等少数几个副词。如：
He came right after dinner.
He lives directly opposite the school.

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