动词时态变化(共2页).doc

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1、精选优质文档-倾情为你奉上2、动词词形变化一览表：(1)规则动词变化表：规 则变 化原形动词结尾情况现在时单三人称现 在 分 词过去式和过去分词一般情况+s+ing+eds,x,ch,sh,o结尾+es+ing+ed辅音字母+y结尾yi,+es+ingyi,+ed重读闭音节一元一辅结尾+s双写辅音字母,+ing双写辅音字母,+ed不发音的e结尾+s去掉e,+ing+die结尾+siey,+ing+d不规则变化havehas；beis(无) (见不规则动词变化表)注意：在加ing或ed时动词如果以“r”结尾,尾音节又重读的动词,“r”应双写。s/es的读音规则：在清辅音后读s；在浊辅音后和元音后

2、读z；在 s 、 F、z、tF、dV后读iz.ed的读音规则：在清辅音后读t；在浊辅音后和元音后读d；在t、d后读id.(2)不规则动词变化表：( 原形 过去式 过去分词)be(am,is) wasbeenloselostlostbe(are) werebeenmakemademadebeat beatbeatenmaymightbecome becamebecomemeanmeantmeantbegin beganbegunmeetmetmetblowblewblownmistakemistookmistakenbreakbrokebrokenmustmustbringbroughtbrou

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