英语语法—非谓语动词.pptVIP

知识框架 专题四 非谓语动词 一、考点明细 考点1 动词不定式作主语。 ★此时，常用it作形式主语，而把动词不定式放在后面，这样句子可以避 免头重脚轻。 It’s easy to get lost in a big city like Tokyo. 在东京这样的大城市容易迷路。 It is good to read English in the morning. 早上读英语大有好处。 考点2 动词不定式作宾语。 ★常接动词不定式作宾语的动词有afford, agree, begin, expect, forget, fail, forget, happen, help, hope, learn, plan, prepare, pretend, want, start, wish, promise等。 I can’t afford to buy a digital camera at the moment. 我现在买不起数码相机。 I want to show it to you. 我想把它给你看一看。 考点3 动词不定式作表情。 ★不定式作表语表示主语的职业、职责或性质等，通常对系动词前面的名词进行诠释说明。 His wish is to become a doctor. 他的愿望是成为一名医生。 To him, the first important was to save lives. 对他来说，最重要的事情就是抢救生命。 考点4 动词不定式作宾语补足语。 1. 常接带to的不定式作宾语补足语的动词有want, ask, tell, teach, wish, allow, invite等，构成want/ask sb to do sth句型表示“想要/让某人做某事”。 Our headteacher wants us to come to school on time. 我们班主任要我们按时到校。 The policeman asked the children not to play in the street. 警察让这些孩子不要在街上玩耍。 2. 使役动词let, make, have和感官动词see, watch, notice, look at, hear, listen to, feel等后面接不带to的不定式（即动词原形）作宾语补足语。 These picture made me think of childhood. 这些照片使我想起了我的童年。 I heard children talk in the next room. 我听见孩子们在隔壁交谈。 3.动词help后面的不定式作宾语补足语，可以带 to，也可以不带 to。 You must help me to do my homework this afternoon. 你今天下午必须帮我作作业。 He often helps his parents clean the house. 他常常帮助父母打扫房屋。 考点5 动词不定式放在它所修饰的名词或代词之后作宾语。 I have some clothes to wash. 我有一些衣服要洗。 Would you like something to drink? 你想喝点什么？ 考点6 动词不定式作状语。 1.不定式在不及物动词后作目的状语的情况最多，可位于句首或句末。 To get good results one must study hard. 要想取得好成绩，必须努力学习。 She came here to ask for her book. 她来时为要回她的书。 2.不定式和某些形容词连用构成“ be+形容词+不定式”结构，作原因状语。 I’m glad to see you. 很高兴见到你。 We are sorry to trouble you. 很抱歉给你添麻烦了。 3.不定式作程度或结果状语时，常与 enough (表示肯定)或 too（表示否定） 连用。 He is old enough to go to school. 他长大了，该上学了。 He is too young to go to school. 他太小还不能上学。 考点7 疑问词what, which, how, when, where等与动词不定式连用。 ★此时，它们在句中作主语、宾语、表语或宾语补足语。 Where to buy this kind of comp