过去式怎么变化

过去式怎么变化

用法 （规则的）
1）一般情况下,动词词尾加 ed ,如：　　work—worked； play—played；want— wanted； act—acted 　　（2）以不发音的 e 结尾动词,动词词尾加 d,如：　　live—lived； move—moved； decide—decided； decline—declined； hope—hoped； 　　（3）以辅音字母 + y结尾的动词,把y变为i 再加ed,如：　　studied tried copied justified cried carried embodied emptied 　　（4）以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 ed,如：　　stopped begged fretted dragged dropped planned dotted dripped
不规则的
注：不规则动词的过去式变化规律性不强,须多加记忆.　　go - went,make - made,get - got ,buy - bought ,come - came ,fly-flew ,is/am-was,are-were ,see-saw,bring-brought,do-did,teach-taught,think-thought,say-said,sit-sat.read-read,spend-spent,eat-ate,give-gave,sit-sat,tell-told,write-wrote,feel-felt,find-found,hear-heard,know-knew,　　put-put,grow-grew,take-took,catch-caught,come-came,become-became,swim-swam,sweep—swept,sing—sang,draw—drew,　　以上的（1）至（4）条中的发音均有改变,具体分别有/d/ /t/ /id/.　　而不规则动词的过去式的发音则略有不同,但是有些还是按照一定规律变化的.如以上的：make - made,get - got ,buy - bought ,come - came ,fly-flew ,bring-brought,teach-taught,think-thought,say-said,sit-sat.read-read,spend-spent,give-gave,tell-told,write-wrote,feel-felt,find-found,hear-heard,know-knew,put-put,grow-grew,take-took,catch-caught,come-came,become-became,swim-swam,sweep—swept,sing—sang,draw—drew.
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