初中英语动词不定式完整课件18m,

非谓语动词一.掌握非谓语动词结构:(not)todo;doing;done二.了解非谓语动词在句子中的作用三.掌握固定句式及固定用法Toseeistobelieve.It’simportanttokeephealthy.考点一主语不定式作主语时,往往放在句子的后面,用it作形式主语.forofIt’s+adj.+sb.+todosth.It’s+adj.+sb.+todostheasy,difficult,hardcareful,clever,foolish,kind,nice1.Itisveryimportantforus____Englishwell.AlearnBlearningCtolearnDlearned2.爬那棵高树对于你来说太危险了。。————dangerousforyou________thattalltree.Itistoclimb（2008·甘肃兰州）wash,come,learn,pass,goIwanttogohome.Theworkersdemandedtogetbetterpay.Ifounditnecessarytotalktohimagain.考点二：宾语think/consider/findit+adj.+todo常用动词不定式作宾语的动词有：hope,refuse,learn,setoutchoose,decide,agree,manage,pretend,plan.Theteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.考点三.宾补四看watchseelookat三让letmakehave二听listentohearwarn,tell,allow,help,ask,force等notice一感:feelImadehimdohiswork.Hewasmadetodohiswork(byme).1.—WhereisJim?—Idon’tknowButIsawhim___footballjustnow..A.WaswatchingB.watchingChadwatchingD.watched2.—Didyouhaveanyone___thetrees?—yes,Ihadthetrees____.A.towater;waterB.towater;wateredC.water;tobewteredD.water;watered（2010·重庆）Ihavesomethingtosay.Hehasalotofhomeworktodo.Heislookingforaroomtolivein.Thereisnothingtoworryabout.考点四：定语(如果不定式中的动词是不及物动词,则不定式中要有介词.)1.不定式所修饰的名词或代词是不定式动作的地点工具等，即使是及物动词，不定式后面仍须有相应的介词。请给我一支写字的笔.Pleasegivemeapentowritewith.2.something,anything,nothing,everything等复合不定代词常用不定式做后置定语。•who,which,when,how,what等连用，在句中不定式与疑问词起名词作用，可充当主语、表语、宾语等。Hedidn’tknowwhattosay.他不知道说什么。(宾语)Howtosolvetheproblemisveryimportant.如何解决这个问题很重要。(主语)Myquestioniswhentostart.我的问题是什么时候开始。(表语)考点五连接词+动词不定式注意：”疑问词+不定式“作宾语时可以转化为宾语从句。如：Canyoutellmewheretogetthescarf?=Canyoutellme________thescarf?CouldyoutellmehowIshoudgettothepostoffice?=Couldyoutellme_________thepostoffice?whereIcangethowtoget选用方框内动词适当形式填空。1.Isawher___acrosstheroad.2.Shewantsherbrother___touniversity.3.Mymotheraskedme______myclothesyesterday.4.Heinvitedhisclassmates____tohisparty.5.Theteacherhelpedthestudents___Englishwell.passingtogotowashtocome(to)learn仿例改写下列句子。(例)Idon’tknowwhenIshallgo.Idon,tknowwhentogo.1.Showthemwheretheyshouldputtheirbikes._____________________________2.Theteacheraskedwhyshewouldgoearlier.___________________________________3.Thestudentswanttoknowwhentheywillhavetheexam._____________________________________.Showthemwheretoputtheirbikes.Thestudentwanttoknowwhentohavetheexam.Theteacheraskedwhytogoearlier.Foralongtime,Idreamedof1.___(do)somethinginWesternChinaandlastyearIfinallybecameavolunteerteacher.Ithaschangedmylifealot!ItravelledalongwaytoasmallvillageschoolinSongtao,GuizhouProvince.Onmywaythere,Ithoughtaboutthevillage,theschool,thefirstday,andthechildrenthere.However,myheartwentdownafter2.____(arrive)there.Itwasn’twhatIexpected.Itdidn’tlooklikeaschoolatall!Theschoolhadonlythreerooms,oneforGrades1,2and3,andanotherforGrades4,5and6.Therewasathirdroomforme.Thechildrenwelcomeedmewarmlyonmyfirstday.Theyaskedme3.____(tell)themstoriesandaboutmyselfandmylifeinBeijing.Thenextday,Igavethematest4.___(find)outtheirlevel.Tomysurprise,overhalfofthestudentsfailedthetest,buttheyallwanted5.___(learn)newthings.Iknewtheyneededme.doingarrivingtotelltofindtolearnIspendmanynights6.___(prepare)lessons,readingtestpapers,andmarkinghomework.Ienjoyed7.____(teach)thelovelyandhardworkingchildren,andIcouldseethattheyweremakingprogresswithmyhelp.Ihavealsolearnedalotfromthem.Iunderstandtheirlivesbetter,andwearenowgoodfriends.IhaveworkedinSongtaoforayearnow.I’mveryhappy,andtheexperiencehasbeenveryusefulforme.NowI’mmoreresponsible,andIknowhow8._____(look)aftermyself.Ilovethesmallvillageandchildren.Infact,Iwouldlike9.____(keep)10.____(work)here.preparingteachingtolooktokeepworking•固定句型:1.hadbetter(not)dosth.最好（不）做某事2.Why(not)dosth.?为什么不做某事3.Wouldyouliketodosth?你愿意做某事吗？4.Couldyoupleasedosth?你能做某事吗？5.It’s+adj.+for(of)sb.+todosth.做某事怎么样6.findit+adj.+todosth.发现做某事怎么样7.prefer+todoAratherthan(to)8.wouldrather(not)dosth.9.wouldratherdoAthan(do)B宁愿做某事而不愿做另一件事