陕西省榆林育才中学高中英语 Unit1 Living well Grammar导学案 新人教版选修7.docVIP

PAGE  陕西省榆林育才中学高中英语 Unit1 Living well Grammar导学案 新人教版选修7 学习目标：让学生学习动词不定式的用法； 预习案 语法感知： 动词不定式的用法； 读下列句子，判断动词不定式在句子中句子成分； It is right to give up smoking.( ) He wanted to go .( ) I find it very interesting to study English.( ) He asked me to do the work with him.( ) The farmers thought of ways to protect their crops.( ) We turned the lights off not to waste electricity.( ) He hurried to the school, only to find nobody there.( ) My job is to help the patients.( ) To tell the truth, I don`t agree with you.( ) 探究案 Ⅰ.动词不定式的形式； 一般式：to do/ to be done (表示的动作通常与谓语动词所表示的动作同时发生或是在它之后发生） I plan to attend the meeting to be held tomorrow. 进行式：to be doing （不定式的动作与谓语动词所表示的动作同时发生） I am very glad to be working with you. 完成式：to have done/to have been done （不定式的动作在谓语动作所表示的动作之前发生） I`m very sorry to have kept you waiting. Ⅱ.动词不定式的结构； 带to的动词不定式；有些动词能直接跟带to的动词不定式；如：ask,tell, hop,decide,want,forget.,stop等。 不带to的动词不定式； 在feel,hear,listen to,let,make,have, see,,look at,watch, notice.observe等使役动词和感官动词后，动词不定式作宾补时不带to。 I often hear him sing the song. 在would rather(would sooner,had rather, had sooner)than,rather than等结构中than之后用不带to的不定式 I would rather go than stay. 在why do sth? Why not do sth结构中不带to Why not do it right now? 在cannot but,cannot choose but,cannot help but之后的动词不定式不带to. I cannot but admire his courage.我只有佩服他的勇气。 动词不定式在介词but,except,besides后面是，如果这些介词之前有行为动词do的各种形式，那么这些介词后的动词不定式不带to,否则要带to She could do nothing but cry. I have no choice but to accept the fact. had better 后跟省略to的不定式。 You had better go home now. Ⅲ.动词不定式在句中的作用 动词不定式在句中可以作主语、宾语、表语、宾语补足语、定语或状语。 1．作主语： ①To do morning exercises is useful for our health. ②To know something about English is one thing; to know English is quite another. 2．作宾语： 1)及物动词(短语)agree, want, wish, hope, refuse, manage, ask, offer, promise, pretend, decide, learn, determine, expect, beg, choose, force, intend, attempt, care, fail, hesitate, claim, long(v.), strive, plan, prepare, would like(love, prefer)等后面要求接动词不定式作宾语。 ①She had a