资源描述：
《英语语法不定式讲解与练习.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、Infinitive不定式_______________________________________________________Objective:Toletstudentsknowthebasicfunctionsofinfinitiveandhowtouseit.PrepareinAdvance:lHandoutofexerciseI.Warm-up[5’]Brainstorming:HaveyoueverheardofthesentencefromonemasterpieceofShakespeare,”Tobeornottobeisaquestion”?Andstimula
2、testudentstothinkaboutmoresentenceswhichareof“to+verb”.II.MainActivities[55’]Activity1:Presentation[30’]不定式由“to＋动词原形”构成，其否定形式是“nottodo”。不定式可以作主语、宾语、状语、表语和定语。1.不定式的用法：(1)作主语。不定式短语作主语时，为了使句子结构平衡，常将不定式短语放在谓语之后，而用it作形式主语。To swim in the sea is great fun.What to do next will be discussed later.It is imp
3、ortant to be confident.Itisourdutytogiveasmuchhelpaspossible.(2)作宾语。常见的只跟不定式作宾语的动词(组)有:1)want,wish,hope,expect,desire等表示希望，想要的动词Thethiefdesiredtogetthatlargesumofmoney.2)wouldlike(love),like,love,dislike,hate等表示好恶的动词Ihatetoaskmyparentsformoney.3)plan,prepare,intend,mean等表示计划，打算的动词Imeanttohelpyoubu
4、tIwastoobusy.4)decide,makeupone’smind,bedetermined，choose等表示决定的动词Wearedeterminedtoteachhimagoodlesson.5)其它动词：care,learn,agree,promise,offer,refuse,ask,beg,manage,try,can’tafford,fail,pretend,help等。Hepromisedtocometoday,buthehasn’tturnedupyet.Ican’taffordtobuyacar.Idon’tdaretoasktheteacheraboutmysc
5、ores.※有形容词、分词、名词作宾补，不定式作宾语时要将不定式放于句末，用it来作形式宾语。如：Youmayfinditnecessarytofinishtheworkaheadoftime.(3)作宾语补足语。常见的跟不定式作宾补的动词有:1)let,have,make,get等表示使役的动词，其中have,make,let跟不定式作宾补时要省略不定式符号to,但在被动语态中to要加上let/have/makesb.do;getsb.todoThoughhehadoftenmadehissistercry,todayhewasmadetocrybyhissister.2)ask,ord
6、er,tell,request等表示要求，命令的动词。常见结构：asksb.todosth.Thechairmanrequestedthememberstobesilent.Thechildrenaskedtheirparentstotakethemtothepark.3)allow,want,expect,forbid等表示许可或禁止的动词Theguardforbademetoenter.4)wish,want,expect,intend等表示希望的动词(hope无此用法) Many parents expect their children to study abroad.5)se
7、e,watch,lookat,observe,notice,hear,listento,feel等表示感观的动词6)think, consider, believe, find, know,suppose,prove等表示认为，相信，证明的动词 I consider him to be one of the best singers in the country. Perhapsthisbookwillprovet
