Unit1LivingwellGrammar课件人教版选修7.ppt

Grammar;一、定义: 动词以某种形式出现,但在句子中不充当谓语。 二、基本形式: to do doing done 三、基本含义: to do一般表示一次性的或将发生的动作或行为 doing 一般表示经常的,或正在发生的动作或者行为 done 一般表示已经发生的,或被动的动作或行为;动词不定式;结构 : to do (否定) not to do ;1. 作主语;三. 用法/ 功能;I want to go home. The workers demanded to get better pay. I found it necessary to talk to him again.;The teacher told me to clean the blackboard. I expect you to give me some help. ;I made him do his work.;I have something to say. He has a lot of homework to do . He is looking for a room to live in . There is nothing to worry about.;不定式作定语时，应放在被修饰词的后面，而且放在其他后置定语之后。; . something, anything, nothing, everything等复合不定代词常用不定式做后置定语。;表示目的、结果、原因等; 表示结果。 a. 用于enough to, too…to结构 It’s too heavy for little Tom to carry. Is the river deep enough to swim in?;(7).独立结构;关于小品词to ;不定式与疑问词who,which, when, how, what 等连用，在句中起名词作用，可充当主语、表语、宾语等。;固定句型:;(1).They pretended not to see us.;She was too surprised _______ (see) how angry her father was. I plan to attend the meeting _________ (hold) tomorrow. He pretended __________ (sleep) when I came in.;I’m terribly sorry __________ (keep) you waiting. ‘Harry Potter’ series of novels are said _______________ (translate) into dozens of languages. ;省略to的不定式(Bare infinitive) 1. 感官动词+ 宾语 +do 五看: see, watch, notice, observe, look at 二听: listen to, hear 一感觉: feel 2. 使役动词(make, let, have )+ 宾语 +do If anyone happens to drop in while I’m out, ____ him or her leave a message.( 2005福建卷No.23) A. have B. get C. ask D.tell ;3. would rather (would rather do than do), had better do, why not do I would rather ___ (go) swimming. You had better ____ (tidy) your bedroom. Why not ___ (visit) your cousin in Japan?;5. 介词but或except之前有do或do的某种形式即含有do, does, did时，通常省略to。 I can do nothing but wait. ;6. 如果主语部分有表示不定式动作内容的do,用作表语的不定式to可省 All you have to do is (to) press the button. The only thing I can do is (to) give you as much help as I can. ;1.Columbus was the first __ the New Continent. to have discovered