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ID:49510128
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页数:11页
时间:2020-02-26
《英语人教版九年级全册动词不定式的用法.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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:1.用作宾语(v.+todo)Iwanttobuyacomputer.Shehopestofindabetterjob.Iwishtogowithyou.needtodolearntodoagreetodoplantododecidetodorefusetodobegintodostarttodo
2、trytodoforgettodoremembertodoliketodoStoptodogoontodo2.用作宾语补足语:(v.+sb.+todo)Sheaskedmetohelpher.Theteachertoldhimtocomeontime.Edison’smothertaughthimtoreadandwrite.wantsb.todowishsb.todogetsb.todoordersb.todofindsb.tobelikesb.todowouldlikesb.todohelpsb.
3、todo作宾语补足语不带to的情况:Letmedoit.Isawhimcrossthestreet.常见动词有:使役动词:let,make,have感官动词:see,watch,hear,feel,listento比较:Iheardhersinginginthenextroom.Iheardhersinginthenextroom.3.用作状语(adverbial):HecametoshowmehisnewCDplayer.(目的)Iwenttheretoseemyteacher.(目的)Shecam
4、ebacktogetherEnglishbook.(目的)Theboywastoofrightenedtomove.(结果)4.用作主语TobehereatChristmastimeismydream.2.Togoabroadishisdream.3.Tosayiseasy,todoisdifficult.(这时可将其用形式主语it来替换)→ItismydreamtobehereatChristmastime.→Itishisdreamtogoabroad.→Itiseasytosay,itisdif
5、ficulttodo.5.用作表语Hisworkistofeedtheanimals.Herjobistolookafterthepatients.Mywishistobeascientist.Givemesomethingtodrink.Ihavetwobookstoread.Theyhavemuchfoodtoeat.Heaskedforaroomtolivein.Idon’thaveapentowritewith.Theiceishardenoughtoskateon.Heboughtatoyt
6、oplaywith.6.用作定语(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)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.(主语)Idon’tknowwhattodo.(宾语)Hecantellyouwheretogetthebook.(宾语补足语)Thequestioniswho(m)toask.(表语)比较(Compare)Id
7、on’tknowwhattodo.Idon’tknowhowtodoit.Idon’tknowwhattodoaboutit.
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