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1、动词过去式的变化和发音规则【过去式的变化规则】一般情况下,在动词原形后直接加ed。 如:wanted,played。以不发音的字母e结尾的动词,直接加d。 如:hoped,lived, tasted。重读闭音节单词需双写最后一个辅音字母,再加ed。如:stopped,jogged, shopped以辅音字母+y结尾的动词变y为i,再加ed。 如:studied,worried, carrycarried, hurryhurried, try-tried。有些动词不符合上面的规则,需要特殊记忆。不规则动词的过去式大体上归纳有以下8条:1. 过去式与原形相同。如:putput, letlet, c
2、utcut, read-read2. 把d变成t。如:buildbuilt, spendspent3. 部分以n结尾的词,在词后加t。如:meanmeant, learnlearnt4. 部分以ow / aw结尾的词,把ow / aw变成ew。如:blowblew, drawdrew, knowknew, growgrew5. 含有双写字母的词,将双写改为单写,在词尾加t。如:keepkept, sleepslept, feelfelt, smellsmelt,sweep-swept6. 含有元音字母o / i的词,将o / i变成a。如:singsang, givegave, sitsat,
3、 drinkdrank, ring-rang ,swim-swam, come-came,7. 将i改成o 如: ride-rode, drive-drove, write-wrote,8. 非常不规则的:am(is)-was, are-were, go-went, eat-ate, buy-bought, catch-caught teach-taught think-thought see-saw, meet-met stand-stood, tell-told,take-took fly-flew, get-got do-didspeak-spoke, find-found, shall-should run- ran,say-said, can-could, have-had, 以上所列不规则动词的过去式都要求掌握。 【规则动词过去式加“ed”后的发音规则】:在浊辅音和元音后面 dcalled borrowedmovedmu:vd enjoyedwelcomed answered在清辅音后面 tasked finishedhelped helptpassed pa:stpicked在t音后面 idwantedwCntid startedsta:tid tastedd音后面idneeded ni:did