教学课件外研版八年级上册英语（25秋新教材）Unit4DigitallifeGrammarLearningObjectivesInthislesson,youwill:1.mastertheusageofinfinitiveasobjectcomplement.2.completeexercisesrelatedtoinfinitiveasobjectcomplement.3.talkabouthowdigitaltechnologyhasmadelifeeasier.Readthesentencesfromthereadingpassageandsummarisethegrammarrules.(a)IaskedtheshopkeepertoshowtheQRcode,butshedidntunderstand!(b)Thetechnologythereletsmeliveamoreconvenientlife!Theseareexamplesofinfinitiveusedasobjectcomplement.动词不定式作宾语补足语宾语补足语的含义宾语补足语指在英语中有些及物动词接宾语后意义仍不完整，还需要有一个其他的句子成分，来补充说明宾语的意义、状态等。宾语和它的补足语构成复合宾语。E.g.Theteachertoldus（宾）tostudy（宾补）.Sheaskedme（宾）toleave（宾补）.Isawhim（宾）run（宾补）.Shemadehim（宾）cleantheroom（宾补）.带to的不定式作宾补不带to的不定式作宾补Nowfindmoresentenceswiththesestructuresinthereadingpassage.Theshopkeepertoldme（宾）tousecash（宾补）.易混淆：Itsamazingtoseemyfamily.It是形式主语，toseemyfamily是真正的主语。Iwantedtogetsomevegetablesandmeatfromashop.toget...虽然是不定式，但它作wanted的宾语。Idecidedtorideasharedbiketogetthere.torideasharedbike作decided的宾语,togetthere是目的状语。Iwantedtopaywithmysmartphone.作wanted的宾语Ihadtogohometogetsomecash.havetogo是情态动词短语，在句中作谓语，home是地点状语，togetsomecash是目的状语。动词不定式作宾语补足语的形式1.带to的不定式可以接带to的动词不定式作宾语补足语的常见动词有advise,allow,ask,cause,encourage,tell,expect,want,warn,force,get,help,invite,order,permit,prefer,remind,wish,teach等。E.g.Sheaskedherroommatetoturndownthemusic.TheWorldWideFundforNature(WWF)chosethepandatobeitssymbol.【注意】以上动词后接不定式作宾语补足语时，若要表达否定的意思，要在todo前加not，构成nottodo的形式。例如:MrHantold?usnot?to?maketoomuchnoise.Jackietoldmenottotouchanything.2.不带to的不定式有些动词后接不定式作宾语补足语时，不带to。常见动词有see,watch,hear,notice,have,let,make,listento,lookat等。E.g.IllhaveTonyshowyouaroundtheschool.Hiswordsmade?everyonelaugh.Readandcirclethecorrectwords.1.Mobile