B7U2 语法 不定式to do 被动语态ppt课件

.,Unit2RobotsGrammar,动词不定式的被动语态,.,1.一般现在时2.一般过去时3.现在进行时4.过去进行时5.现在完成时6.过去完成时7.一般将来时8.过去将来时,1.is/am/aredone2.was/weredone3.is/am/arebeingdone4.was/werebeingdone5.have/hasbeendone6.hadbeendone7.willbedone8.wouldbedone,一、复习各种时态的被动语态,.,【辨析】观察这两个句子不定式的异同,4)Thefirstbookissaidtobepublishednextmonth.5)Thefirstbookissaidtohavebeenpublishedlastmonth.,(not)tobedone,(not)tohavebeendone,在谓语动作之后或同时发生,发生在谓语动作之前,.,三动词不定式的被动语态在句子中的作用当动词不定式的逻辑主语是动词不定式所表示的动作的承受者时，不定式一般要用被动形式。与不定式的主动式一样，不定式的被动式可以在句子中充当_、_、_、_、_、和_。判断下列句子中的不定式充当什么成分Itisridiculoustobeofferedsympathybyarobot.Hepretendedtohavebeenbeatenbyhisstep-father.ThepartyistobeheldnextSaturdayevening.Thedisabledchildexpectedthecinematobedesignedbythechiefarchitect.TheBrazilianareproudoftheOlympicGamestobeheldinBrazil.Hehurriedtothebookingofficeonlytobetoldthatalltheticketshadbeensoldout.,主语,宾语,表语,宾补,定语,状语,主语,宾语,表语,宾补,定语,状语,.,在下列情况中用不定式的主动形式表示被动意思。1.在therebe结构中。Thereisalotofworktodo/tobedone.(多用主动形式)Thereisnothingtoworryabout.2在“npron+be+adj+todo”结构中。常用的形容词有easy，difficult，hard，impossible，nice，pleasant，interesting，important，dangerous等。Heishardtogetalongwith.Thisquestioniseasytoanswer.3.在“tootodo;enoughto”结构中。Theproblemistoodifficulttoworkout(tobeworkedout)Thehouseisbigenoughtolivein.,.,4在“with+n+todo”结构中。Withnothingtodo，helayinbedWithsomanyexercisestodo，Icantgotothecinema5当不定式的逻辑主语在句中出现时。Ihavealettertotypetoday(I是totype的逻辑主语)Doyouhaveanythingtosay?(you是tosay的逻辑主语)6当不定式隐含在forsbtodo结构中时。Thisisthebestbooktoread(=forusyoutoread)Theimportantthingtodoistolockthedoorwhenweleavethehouse7一些作表语用的不定式的主动形式。常见的这类动词有let(出租)，rent，hire，blame等。ThehouseistoletIfeltIwastoblame.,.,1.Hearingthegoodnews,hewastooexcited_(speak).2.Ithappened_(rain)whenIgotthere.3.Iamterriblysorry_(lose)yourkey.4.Iamsorry_(say)thatheisgoingfrombadtoworse.5.Heasked_(send)totheplacewherehewasmostneeded.6.Whathehopedwas_(admit)intotheuniversity,tospeak,torain,tohavelost,tosay,tobesent,综合练习：,tobeadmitted,.,7.Hegottothestationonly_(find)alltheticketshadbeensoldout.8.Ihurriedtothemeetinghall,only_(tell)thatthemeetinghadbeenputoff.9.Heseems_（punish)byhisteacheryesterday.10.Comeon!Itisaneasysentence_(translate).11.WhenIcamein,hepretended_.(read)12.MrsSmithwarnedherdaughter_(notdrive)afterdrinking.,tofind,tobetold,tohavebeenpunished,totranslate,tobereading,nottodrive,.,二、翻译练习1.据说这会议已经被取消了Themeetingissaidtohavebeencancelled.2.这个学生似乎已经对政治失去了兴趣。Thestudentseemstohavelostinterestinpolitics.3.残疾人不喜欢被别人嘲笑。Thedisableddontliketobelaughedat.4.没有可以可以浪费的时间了。Thereisnotimetowaste/bewasted5.能被邀请进这个英语俱乐部，是一大荣幸ItisagreathonortobeinvitedtotheEnglishClub.,.,6.她假装没有听懂我说的话。ShepretendednottounderstandwhatIhadsaid.7.我希望被中山大学录取。Ihope/expecttobeadmittedintoZhangshanUniversity8.抱歉，我忘记了你的电话号码了。Iamsorrytohaveforgottenyourtelephonenumber.,.,语法填空TheChinaScienceandTechnologyUniversitycreatedthenationsfirsthuman-likerobot,1_isabletowalkandtalklikeahuman.Thisrobot2_(produce)byChinesescientists.Therobot3_(equip)withbasiclanguageskills,too.Itcanwalk4_(fast)thanhumanbeings.Itcantaketwostepspersecondinstead5_onestepeverytwoseconds.Manytechnologicalbreakthroughsisexpected6_(make)duringthelastfewyears.Humansworkingareexp