动词过去式过去分词变化规则.doc

动词过去式、过去分词变化规则(一)(二)规则变化遵循以下原则:(1)一般情况下,在动词后加ed构成:work/worked,stay/stayed,shout/shouted等.(2)在以-e结尾动词后只加d:close/closed,like/liked,live/lived,smile/smiled等.(3)以辅音字母加y结尾的动词,应将y改为i再加-ed:study/studied,carry/carried等.(4)以重读闭音节或r音节结尾且(中间只有一个元音字母)且末尾只有一个辅音字母动词,要双写末尾的辅音字母再加-ed:stop/stopped,admit/admitted,refer/referred,prefer/preferred等.【注】(1)以字母l结尾的动词,若末尾一个音节为重读音节,则必须双写l再加-ed,如control/controlled,但若末尾一个音节为非重读音节,则可双写l(英国英语)或不双写l(美国英语),如travel/travel(l)ed.(2)ic(野餐)icked,iced.(3)词尾-ed读音规则是:在清辅音后读作[t],元音和浊辅音后读作[d],在辅音[t]或[d]后读作[id].(三)不规则变化分类记忆表初中英语不规则动词表(一)一、AAA型(原形→原形→原形)原形过去式过去分词汉语意思readreadread读cutcutcut切,割letletlet让putputput放costcostcost花费,值hithithit撞,击setsetset安排,安置hurthurthurt使…伤痛二、ABA型(原形→过去式→原形)e来runranrun跑 三、→ew→→a→→过去式→过去式+(e)→过去式→原形+(e) 四、ABB型 →ought→ought原形过去式过去分词汉语意思bringbroughtbrought带来buyboughtbought买fightfoughtfought打架thinkthoughtthought思考 →aught→aught原形过去式过去分词汉语意思catchcaughtcaught捉,抓teachtaughttaught教