动词非谓语动词动词不定式做宾语宾语补足语目的状语.ppt

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1、动词不定式动词不定式的基本形式是“to+动词原形“，有时可以不带to.动词不定式没有人称和数的变化，在句子中不能作谓语。在句中可以作主语、表语、宾语、宾语补足语、定语和状语。构成：to+do(动词原形)用法：用作宾语(v.+todo)Iwanttobuyacomputer.Shehopestofindabetterjob.Iwishtogowithyou.needtodolearntodoagreetodoplantododecidetodorefusetodobegintodostarttodotrytodoforgettodoremembertodoliketodoS

2、toptodogoontodo2.用作宾语补足语：(v.+sb.+todo)Sheaskedmetohelpher.Theteachertoldhimtocomeontime.Edison’smothertaughthimtoreadandwrite.wantsbtodowishsbtodogetsbtodoordersbtodofindsbtobelikesbtodowouldlikesbtodohelpsbtodo作宾语补足语不带to的情况：常见动词有：一感：feel二听：listento,hear三让:let,make,have四看:see,lookat,watch

3、,notice比较：Isawhercrossingthestreet.Isawhercrossthestreet.3.用作状语(adverbial)：Iwenttheretoseemyteacher.ShecamebacktogetherEnglishbook.Theboxwastooheavytomove.(目的)(目的)（结果）4.用作主语1.Tobeanactressismydream.2.Togoabroadishisdream.3.Tosayiseasy,todoisdifficult.（这时可将其用形式主语it来替换）Itismydreamtobeanactr

4、ess.Itishisdreamtogoabroad.Itiseasytosay,itisdifficulttodo.句型It’s+adj+ofsb+todosth.Eg:你能邀请我，你真是太善良了。It’sverykindofyoutoinvitme.若形容词是描述人的性格、品质的，如kind，good，nice，right，wrong，clever，careless，polite，foolish等，用ofsb.Eg:你真聪明，解出了这道数学题。It’scleverofyoutoworkoutthemathsproblem.It’s+adj+forsb+todosth.

5、若形容词是描述事物的性质，用forsb.这类形容词有difficult，easy，hard，important，dangerous，（im）possible等。Eg:对孩子们来说，穿过繁忙的街道很危险。It’sverydangerousforchildrentocrossthebusystreet.Eg:对我们来说，完成这项工作很困难。It’sdifficultforustofinishthework.5.用作表语Hisworkistofeedtheanimals.Herjobistolookafterthepatients.Mywishistobeascientist.

6、6.用作定语Givemesomethingtodrink.Theyhavemuchfoodtoeat.（这时不定式与被修饰词有动宾关系。若是不及物动词，介词不能省略）Heaskedforaroomtolivein.Idon’thaveapentowritewith.7.疑问词who,what,which,where,when,how加todo可构成不定式短语，在句中可用作主语、宾语、宾语补足语、表语等。Whentostarthasnotbeendecided.Idon’tknowwhattodo.Hecantellyouwheretogetthebook.Thequest

7、ioniswho(m)toask.(主语)(宾语)(宾语补足语)(表语)比较（Compare）Idon’tknowwhattodo.Idon’tknowhowtodoit.Idon’tknowwhattodoaboutit.说出句子中的不定式，及在句中做什么成分：Ittakesyoutenminutestogetthere.Ihopetoseehimsoon.Hiswishistobecomeanartist.Peopleeattolive,butnotlivetoeat.Ihavealottotellyou.It’snotr