动词过去式过去分词变化规则

1、动词过去式、过去分词变化规则一、规则变化：1. 一般在动词原形后加-edlook -> looked; need -> needed2. 以-e结尾的动词加-dmove -> moved3. 以辅音字母加y结尾的动词，变y为i,再加-edcarry -> carried; study -> studied4. 以元音字母加y结尾的词，直接加-edstay -> stayed; play -> played5. 末尾只有一个辅音字母的重读闭音节词，双写该辅音字母，再加-edstop -> stopped; regret -> regrette

2、d（但fix的过去式和过去分词x不双写，为fixed）6. 以-r音节结尾的词，双写r字母，再加-edrefered -> referred; prefer -> preferred二、对于不规则变化，也有些规律可循，下面归纳得不错：动词过去式.过去分词不规则变化AB型can couldshall shouldwill wouldmay mightAAA型costcos tcostcutcutcuthithithithurthurthurtletletletmustmustmustputputputsetsetsetshutshutshutreadreadreadAAB型beatb

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