加“ed”:study——studied carry——carriedworry——worried…(4).以元音字母+y结尾的,直接加“ed”:enjoy——enjoyed play——played…(5).以重读闭音节结尾的,双写最后的辅音字母+ed:stop——stopped plan——planned…(6).不规则变化的动词过去式:have---had are---were get---got say---said feel---felt do/does---did is---was go---went drink--drank eat--ate bring----brought think----thoughtbuy----bought catch----caught teach----taught sit----sat wear----wore cut----cut sweep----swept sleep——slept e----became run----ranread----read meet----met win----won write----wrote make----made注意:1)be----was/were 肯定句:主语+was/were+… 否定句:主语+wasn’t/weren’t+…一般疑问句:Was/Were+主语+…? 肯定回答:Yes,主语+was/were. 否定回答:No,主语+wasn’t/weren’t.2)动词----动词过去式肯定句:主语+动词过去式+… 否定句:主语+didn’t+动词原形+…一般疑问句:Did+主语+动词原形+…? 肯定回答:Yes,主语+did. 否定回答:No,+主语+didn’t.
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