第十讲 动词的时态和语态ppt课件.ppt

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1、第十讲动词的时态和语态突破常考点演练大冲关把脉易错点情况变化规则例词一般情况直接加swork—works　learn—learnscome—comesplay—playswant—wantsneed—needs结尾为s，x，sh，ch或o在词尾加espass—passesdiscuss—discussesteach—teacheswash—washesfix—fixesgo—goes结尾为“辅音字母＋y”变y为i再加escarry—carries　cry—criesstudy—studiesworry—worries情况变化规则例词一般情况在动词后加edlook—lo

2、oked　watch—watchedstay—stayedexpect—expected以e结尾的动词后加dhope—hoped　like—liked情况变化规则例词以“辅音字母＋y”结尾的动词变y为i再加edstudy—studied　try—triedcopy—copiedcarry—carried以重读闭音节或/r/音节结尾，词尾只有一个辅音字母时双写词尾的辅音字母再加edstop—stoppedclap—clappedplan—plannedprefer—preferredadmit—admittedpermit—permitted情况变化规则例词一般情况在词

3、尾直接加ingwork—workinglook—lookingstudy—studying情况变化规则例词以不发音的e结尾的动词去e再加inghave—havingface—facingtake—takingwrite—writing以重读闭音节结尾，且末尾只有一个辅音字母双写该辅音字母再加ingcut—cutting　put—puttingswim—swimmingbegin—beginning以ie结尾的动词变ie为y再加inglie—lying　tie—tyingdie—dying形态时间一般进行完成现在am/is/arecleanedam/is/arebein

4、gcleanedhave/hasbeencleaned形态时间一般进行完成过去was/werecleanedwas/werebeingcleanedhadbeencleaned将来shall/willbecleanedshall/willhavebeencleaned过去将来should/wouldbecleaned[典题精选][我来改正][常设误点][典题精选][我来改正][常设误点]