初一英语介词专题讲解及练习
介词：
介词是虚词，不能独立充当句子成分
介词短语能够充当句子成分
介词短语= 介词+介词宾语（名词、宾格代词、动名词等充当）
根据词形，介词分为三类：1简单介词：in, on, from, at, for
合成介词：upon, into, onto, inside, without
成语介词：由两个以上单词合成。in front of, in the middle of, on top of
一、常用固定搭配的介词短语形式
1.动词+ 介词look like; look at; talk to; think of
2.be + 形容词+ 介词be surprised at; be afraid of
3.be + 名词+ 介词be mad at sb; the key to; the way to
4.介词+ 名词at work; at home; at school; at last; on the farm
5.介词+ 名词+ 介词in front of; at the age of; at the end of
6.介词+ 动名词短语after leaving school; after finishing it
7.介词+ 代词for her; from each other; after him
8.其他词+ 介词instead of; because of; according to
举例：1. She l ooks like her mother.
2. Your coat looks very nice. What’ｓi t made of?
3. Would you please show me the way to the bank?
4. My father is working at the office.
