动词不定式课件

afford，findout，decide，promise，It’simportanttolearnEnglishwellIt’snoteasyforhimtosayno2不定式作表语HerworkistolookafterthechildrenSheseemedtothinkabouttheproblem3object(宾语):一些动词要用不定式作宾语，manage，expect，wonder，Hehoped/wished/expectedtogoabroadHepromisedtobuymeacomputerHefounditimportanttostudyRussianThecomputermakesitpossibletocalculatefaster一些动词要用wh-疑问词+不定式作宾语，wish，try，refuse，ask，learn，hope，常见的动词有decide，常见的动词有want，remember，choose，offer，learn，need等，except等后才行，用it作形式主语，只有在极少数介词如：but，seek，pretend，understand，see等whattodohowtodoitIdon’tknowwho(m)toask/invitewhentostopwheretogo不定式一般不能作介词的宾语，know，Unit1MakingadifferenceGrammarTheinfinitive1subject(主语):TolearnEnglishwellisimportantForhimtosaynoisnoteasy但更多情况下放在谓语之后，此时不定式可带to或不带toWehavenochoicebuttowaitoutsideTheycoulddonothingbutaskforhelp4不定式作宾语补足语FatherpromisedmetobuymeanewbikeHellen，