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1、吴.R召vz醴乏,万heinfinitive动词不定式定义:不定式的构成是to+动词原形,当然to有时也可以省略。动词不定式没有人称和数的变化,可以担当除谓语外的任何句子成分。构成:to+do(动词原形)用法:一s围佳宴疆(v,、+_todo)e.g:IwanttobuyacComputer:Shehopestofindabetterjob.Twishtogowithyou.Ifounditdifficulttofallasleep.我发现很难入睡。Heedt0doJearzgd0,agreei0do0stop10d0PIaz0do0“decidetod0_go010G0“iryi0d0Deg
2、izi0do0“startiodo0“rejftset0doIifet0do厂rgefi0d0“rezeper10d0v.+Sb.+todoSheaskedmetohelpher:Theteachertoldhimtocomeontime.Edisonsmothertaughthimtoreadandwrite.wantsbtodowishsbtodogetsbtododrdersbtd0findsbtobelikesbtodowouldlikesbtodohelpsbtodo宾语补足语不带to的情况:感:fee_E-L月makehavelistentowatchs口斤州与彗一Seelooka
3、tnoticeLetmedoit.ITsawhimcrossthestreet.比较:IhearQdhersingiaginthenextroom.Iheardhersinginthenextroom.s2。3.门1F从adverbial):HecametoshowmehisnewCDplayer:Twenttheretoseemyteacher.ShecamebacktogetherEnglishbook.TheboywWastoofrightenedtomove.4用作主语It与不定式:动词不定式可以做主语,但如果动词不定式太长,显得头重脚轻的,那么我们就可用形式主语it代替,而把真正主语(即不定式)放于句尾。e.g:ItisnotdifficultformetostudyEnglishwell.对我来说学好英语不难。参一(不定式作主语时可将其用形式主语it来替换)1.Togoabroadishisdream.一一Itishisdreamtogoabroad.2.Tosayiseasy,iodoisdifficult.一一Itiseasytosay,itisdifficulttodo.Hisworkistofeedtheanimals.Herjobistolookafterthepatients.Mydreamistobeascientist.
