一般过去时动词的变化规则

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(一)动词过去式的构成: 1)规则变化:



在词尾加ed

以字母e结尾的词直接加d

重读闭音节的词先双写尾字母,然后加ed 辅音字母+y”结尾的词先改yi,再加ed 2)不规则变化:

①过去式不改变:这一类不规则变化的动词都是以-t或者以-d结尾的。

costcost cutcut hithit hurthurt letlet putput readread

②有字母组合-ee或者-ll的动词。省略原形动词中两个相同的字母中的其中一个,然后在词尾叫-t keepkept sleepslept sweepswept feelfelt smellsmelt spellspelt

以字母-d或者-t结尾、中间的字母组合多数是-ee或者-oo的动词,省略原形动词中两个相同字母中的其中一个。 meetmet shootshot 把原形动词的最后一个字母-d改成-t

sendsent lendlent rendrent spendspent buildbuilt ⑤动词原形中有-ow,-aw这些字母组合的,过去式中把这些组合改成-ew

blowblew growgrew knowknew throwthrew drawdrew ⑥动词原形中有字母组合-in(m)或者-ing或者-ink,过去式中把字母-i变成-a beginbegan singsang ringrang drinkdrank swimswam ⑦不规则动词以-m,-n结尾的,过去式在原形动词词尾加-t或者-d meanmeant learnlearnt dreamdream hearheard ⑧过去式有-ought, -aught的。

thinkthought buybought bringbrought teachtaught catchcaught ⑨动词原形是以元音字母-i加辅音字母加不发音的-e结尾的,一般是在过去式中将字母i改成-o riderode writewrote drivedrove

⑩动词原形中有-ea或者-ee或者-oo的字母组合的不规则动词,动词过去式是将这个字母组合改成-o然后在词尾加-e breakbroke speakspoke choosechose

(11).动词原形中有字母组合-ay的,过去式改成-aid saysaid paypaid

walkhelp, watch live, hope, exercise,

plan, stop study, worry,

walked, helped, watched lived, hoped, exercised, planned, stopped studied, worried,

(二)一般过去时的各种句式:

肯定句:主语+动词过去式+其他. I watched TV at home last night. 否定句:主语+didn’t+动词原形+其他. I didn’t watch TV at home last night.

一般疑问句:Did+主语+动词原形+其他? Did you watch TV at home last night? Yes, I did. / No, I didn’t. 殊疑问句:特殊疑问词+did+主语+动词原形+其他? What did you do at home last night?

(三)常见的标志词:just now, a moment ago, last week/night/month/year, yesterday, the day before yesterday


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