初中英语语法(介词).doc

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1、 初中英语语法(介词)1. 介词是英语中最活的一个知识点,要学好它要注意先记住它的最基本意思,再注意它的特殊用法,再者注重词组搭配的积累。2. 表示时间的介词: 辨析要牢记:1. in , after in 指从现在开始起往后推算一段时间 (用将来时)He will arrive in two hours. 他两个小时候会到的。after指从过去某时间往后推算一段时间。(用过去时)She stopped crying after one hour. 一个小时候她停止了哭泣。2. for, since for 后面接一段时间 (用现在完成时)since 后面接一具体时间 (用现在完成时)I ha

2、ve learned English for ten years. 我学英语已经十年了。I have learned English since ten years ago. 我从十年前就开始学英语了。3. before, by, till/until before:表示在某一时间之前 Hell be here before 5 p.m. by:表示到某一时间之前为止,最晚不迟于 (用现在完成时或过去完成时) We have built three bridges by the end of the month. 到月底之前我们已经造了三座桥。 We had learned 3000 word

3、s by the end of last week. 到上个星期为止,我们已经学习了3000个生词了。 until: 直到 notuntil (直到才)I didnt finish my homework until 9 oclock. 我直到9点才完成我的回家作业。3. 介词辨析:1. like, as as :作为一个, like :像一个He has been playing tennis as a professional for two years. 他作为一个职业网球运动员打球已经有两年了。He plays tennis like a professional. 他打起网球来像个职

4、业运动员。 2. besides, except, except for besides: 此外还有, except :除之外 except for : 除去的部分对整体没有影响All of us passed the exam besides Mark. (处马克通过考试之外,我们大家也通过了考试。)All of us passed the exam except Mark. (除马克没有通过考试之外,我们大家都通过了考试)Your composition is good except for a few spelling mistakes. (除了一些拼写错误,你的作文很不错)3. mad

5、e of, made from 他们都表示“是用做成的”made of :可以看出原材料的,made from :看不出原材料的The desk is made of wood. (桌子是由木头做的)The wine is made from grapes. (酒是由葡萄酿成的)4. be good at :擅长做某事 be good for :对有好处 be good to: 对某人友好 be good with: 善于处理比较难的人或事 He is good at math. (他擅长数学) Vegetables are good for you health. (蔬菜对你的健康又好处)

6、The old man was good to the children. (老人对孩子们很好) She was good with her boss. (她和她的老板处得很好) 5. be familiar with: 熟悉 be familiar to : 被某人所熟悉 He is familiar with Shanghai. (他很熟悉上海) Shanghai is familiar to him. (上海对他来说是很熟悉的) 6. (形容词)+enough for sb. To do sth The box is large enough for him to put all the books in it. 这个盒子大的足以让我放进所有的书。 too(形容词) for sb. to do sth The math problem is too difficult for me to solve .这个数学题太难了,我解决不了。 Its +(形容词) for sb to do sth Its important for us to learn English well. 对于我们来说,学好英语很重要。

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