非谓语动词 ppt课件.ppt

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1、非谓语动词授课教师：麒麟区第三中学晏聪珍非谓语动词非谓语动词：也就是不能用作谓语的动词。动词不定式V_ing过去分词动词原形包括一.动词不定式肯定式：to+动词原形1、构成否定式：notto+动词原形2、动词不定式的常见用法A、不定式作主语当不定式作主语时，习惯上用作it形式主语，而将动词不定式后置，构成固定句型。It’s+adj+todosth.（1）TolearnEnglishwellisnoteasy.（2）Toprotectourenvironmentisveryimportant（1）It’snoteasytolearnEng

2、lishwell.（2）It’simportanttoprotectourenvironment.B、不定式作宾语常见的只能跟to不定式的动词及短语。想要wantwish希望hope希望决定decide学会learn想要wouldlike迫不及待can’twait准备getready（1）Ihopetobeadoctor.（2）Shecan’taffordtobuyacamera.计划plan负担不起can’taffordWangTaohopestobeascientistinthefutureandwishestovisitthemo

3、onbyhimself.Hewouldliketocollectpicturesaboutthemoonverymuch,sohelearnstosearchtheInternetandwantstogetmoreInformation.Thenheplanstobuyacomputer,buthecan’taffordtobuyone.Nowhecan’twaittolookforajobanddecidestoworkhardatit.Atthesametimehegetreadytomakehisdreamcometrue.C、不

4、定式作宾语补足语常见动词：请、叫ask告诉tell想要want邀请invite允许allow喜欢like警告warn鼓励encourage教teach想要wouldlike（1）Mymotheralwayslikesmetogetupearly.（2）LucyoftenteachesmetolearnEnglish.Onedaymymotherallowedmetogotothepark,butshewarnedmenottocomebacklate.MyfatherlikedmetogowithLucy,becausehewanted

5、metolearnEnglishfromLucy.Iinvitedhertogowithme.LucytaughtmetostudyEnglishandencouragedmetospeakmoreEnglish.SometimessheaskedmetoteachherChinese.Iwouldlikehertostaywithmeverymuch,soItoldhertowaitformeoutsidetheschoolgateeverySaturday.D、不定式作定语熟记下列短语somethingtoeatsomethingt

6、odrinkanythingelsetosaymuchworktodosomethingnicetoeat1.Ihavealotofhomeworktodo.2.Doyouhaveanythingtosay?lotsofhouseworktodo3.Myfatherhassomethingimportanttotellme.4.Wouldyoulikesomethingtodrink?E、不定式与疑问词连用，构成不定式短语，作宾语1.Idon’tknowwheretogo.2.Hedidn’tknowwhattodo.3.Canyout

7、ellmehowtogetthere?4.Ican’tdecidewhichtochoose.“疑问词+不定式”结构可以转换为从句形式（1）Idon’tknowwhereIwillgo.（2）Hedidn’tknowwhathewoulddo.（3）CanyoutellmehowIcangetthere.（4）Ican’tdecidewhichIwillchoose.F、常见固定搭配1.too…todo(1)Thedeskistooheavytocarry.(2)Theboyistooyoungtogotoschool.2.be+adj

8、+enoughtodo(1)Thegirlisoldenoughtogotoschool.(2)Theiceisthickenoughtoskateon.(3)Theroomisbigenoughfor10