动词时态变化

1、精品文档2、动词词形变化一览表：(1) 规则动词变化表：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规一般情况+s+ing+eds,x,ch,sh,o结尾+es+ing+ed则辅音字母 +y 结尾yi,+es+ingyi,+ed变重读闭音节一元一辅+s双写辅音字母 ,+ ing双写辅音字母 , +ed结尾化不发音的 e 结尾+s去掉 e,+ing+die 结尾+sie y,+ing+d不规则变have has； be( 无 )( 见不规则动词变化化表 )is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：

2、在清辅音后读 s ；在浊辅音后和元音后读 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)werebeenmakemademadebeatbeatbeatenmaymightbecomebecamebecomemeanmeantmeantbeginbeganbegunmeetmetmetblowblewblownmistakemistookmistakenb

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