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1、Unit6EnjoyingCyclingGrammar五星鄉(xiāng)中心校李保明TheInfinitive動詞不定式Learningaims1.Mastertheformoftheinfinitive2.Mastertheuseoftheinfinitive3.Dosomeexersisesaccordingtothegrammar定義:To+動詞原形常見形式:1.肯定式:todo2.否定式:nottodo3.疑問式:wh~todo4.復合式:forsb.todoofsb.todo不定式的用法1.作主語TolearnEnglishwellisimportant
2、.=ItisimportanttolearnEnglishwell.主語過長后置主語形式主語2.作表語此類主語多為duty/wish/hope/idea/plan/ambition/dream/work/job等名詞(1)Mywishis_____________(是成為一名歌手)(2)Myhopeis_________________(是通過這次考試)(3)Anotherproblem__________________(在哪里停車)tobeasingertopasstheexamwheretostop3.作賓語1.我想買臺電腦。(buy)I____
3、_________acomputer.2.她希望能找到一份更好的工作。She________________abetterjob.常見接不定式賓語的動詞:agree,begin/start,choose,continue,decide,expect,fail,fear,forget,hate,hope,learn,like,love,mean,need,offer,plan,prefer,prepare,promise,refuse,remember,want,wish詞組:wouldlike/lovetodo,can’taffordtodo,can’twait
4、todo,goontodo,waitforsbtodo,wanttobuyhopestofindTheteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.4.作賓補四看watchseelookatnotice三使letmakehave二聽listentohear一感覺:feel5.作定語放在被修飾詞的后面,與被修飾詞有動賓關系或主謂關系。1.Givemesomethingtodrink.2.Ihavetwobookstoread.3.Heaskedforaroomtolivein.4.Idon
5、’thaveapentowritewith.5.Theiceishardenoughtoskateon.6.Hehasnopartnertoplaywith.注意:作后置定語的與被修飾詞有動賓關系。若是不及物動詞,則要添加適當的介詞,如例3,4,5,6。6.狀語1.形容詞后作原因狀語:(或稱為形容詞賓語)I’msorrytohearthat.2.目的狀語:Hestoppedtotalkwithme.3.結果狀語:Theboxistooheavyformetocarry.Theboxisnotlightenoughformetocarry.Theboxissoh
6、eavythatIcancarryit.注意:tocarry的賓語it被去掉了。常見表狀語的不定式結構:目的:stoptodo,trytodo,hurrytodo,inorderto,soasto,結果:too…to…,(not)…enoughto…,動詞不定式與疑問詞連用(Who,when,where,what,how,howmany……)1.Idon’tknowwhatIshoulddo.=Idon’tknow.2.CanyoutellmehowIcangettothestation?=Canyoutellmetothestation.whattodoho
7、wtoget當從句的主語和主句的主語或賓語一致時,可以在特殊疑問詞后接動詞不定式,轉為簡單句。forgettodoforgetdoing忘記要去做某事3.忘記做過某事remembertodorememberdoing記得要去做某事記得做過某事goontodogoondoing繼續(xù)做另一件事情繼續(xù)做同一件事情trytodotrydoing設法做某事嘗試做某事stoptodostopdoing停下來去做另一件事停止做某事ExerciseLookatthepicturesandwritethelettersinthebubbles.DCABA.Doyouwanttoo
8、rderthechoco