2022年Unit语法导学案.docx
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1、Unit 2 语法导学案一、复习各种时态的被动语态 被动语态的基本结构 : be+ done(以 the book , publish 为例) 一般现在 /过去时:The bookis/ was published;一般/过去将来时 :The bookwill/would be published ;The bookis/was going to be publishe;d 现在/过去进行时:The book is/was being published;现在/过去完成时 :The bookhas/had been publishe;d情态动词:The bookcan/could/may/mi
2、ghtbe published;二、动词不定式的被动语态1. 动词不定式的被动语态有两种形式:1)一般式( not/never )to be done 2)完成式( not/ never) to have been done表示不定式动作发生在谓语动词之前)2. 动词不定式的被动语态在句子中的作用1) 做主语(常用 it 做形式主语)Itis ridiculous to be offered sympathy by a robot2) 做表语The party is to be held next Saturday evening.3) 做宾语5 / 5She didn t like to b
3、e treated as a child.4) 做宾语补足语Tony expected the house to be completely transformed.5) 做定语What a victory to be envied by those women.6) 做状语Allthese gifts must be mailed immediately so as to be received in time for Christmas.3. 在以下情形中用不定式的主动形式表示被动意思;1 不定式作后置定语,与被修饰的名词或代词构成规律上的动宾关系,但又与该句主语(或另一名词 /代词)构成
4、规律上的主谓关系时;He has nothing to eat.分析: eat 动 nothing 宾 / he 主 eat 谓I will give you a book to read .分析: _read _动 a book 宾/ _you_主 _read谓 留意:如句子的主语并非不定式的规律主语时,不定式就必需用被动式; 比较: I have a lot of letters to type . 我有许多信件要打印: I will type the letterI have a lot of letters to be typed. 意 思为: I get sb. to type th
5、e letter2)在“主语+表语(形容词) to do”中,主语也是不定式的规律宾语 ,即不定式动词和主语之间是动宾关系;This question is easy to answer.(分析: answer 动-this question (宾) 留意:假如动词为不及物动词,就要留意介词的搭配;John is difficult to deal with.(分析: deal with动 john 宾)4. There be 结构中,用不定式的主动和被动式来修饰主语,区分不大;There is a lot of work to do / to be done. 多 用主动形式 Exercis
6、e一、单项挑选题1. Having a trip abroad is certainly good for the old couple, but it remains whether they will enjoy it.A. to seeB. to be seenC. seeingD. seen2. I hurried to the meeting hall, onlythat the meeting had been put off.A. to tellB. to be toldC. tellingD. told3. Do let your mother know all the tru
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