初中英语动词不定式完整课件19

动词不定式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.ItistoclimbIwanttogohome.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,choose,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...notice一感:feelImadehimdohiswork.Hewasmadetodohiswork(byme).1.—WhereisJim?—Idon’tknowButIsawhim___footballjustnow..A.WaswatchingB.watchingChadwatchingD.watchedIhavesomethingtosay.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•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