英语动词过去式和过去分词的变化规则.doc

动词过去式和过去分词的变化规则动词过去式和过去分词有规则变化和不规则变化两种。 ,如ask—asked,work—worked ,只加d,如love—loved,dance—danced ,把y变为i,再加ed,如try—tried,study—studied (以重读闭音节或r音节结尾而末尾只有一个辅音字母),先双写末尾这个辅音字母,再加ed,如clap/shop/trip/chat/beg/drop/fit/hug/plan/pat/regret/control注:,尾音节重读时,双写l,如control—controlled;尾音节不重读时,双不双写都可以,如travel—traveled(美)/travelled(英)。 : ①-ed在清辅音音素后发音为[t]:helped,liked,finished,fetched,stopped,clapped ②-ed在浊辅音和元音后发音为[d]:believed,changed,planned,preferred,followed,stayed ③-ed在[t]、[d]后发音为[id]:wanted,needed,admitted,,可主要分为几种情况。【AAA型】:put—put—putcut—cut—cutshut—shut—shutset—set—sethit—hit—hithurt—hurt—hurtcost—cost—cost★read/ri:d/—read/red/—read/red/let—let—letburst—burst—burst(n./,突发;爆炸)cast—cast—cast(,掷,抛,扔,(光、影、视线等)[(+at/on)];蜕(皮);丢)rid—rid—rid(;使去掉)spread—spread—spread【ABB型】:(原形→aught/ought→aught/ought)catchcaughtcaughtteachtaughttaughtbringbroughtbroughtbuyboughtboughtthinkthoughtthought【原形→元音变化→元音变化】sitsatsatmeetmetmetfindfoundfoundgetgotgotstandstoodstoodunderstandunderstoodunderstoodwinwonwonholdheldheldshineshoneshonedigdugdughanghung/hangedhung/hanged【原形→“…t”→“…t”】loselostlostbuildbuiltbuiltspillspiltspiltspoilspoiltspoiltsendsentsentspendspentspentsmellsmeltsmeltfeelfeltfeltmeanmeantmeantlearnlearnt/learnedlearnt/learnedlendlentlent【原形→“…d”→“…d”】hea