动词过去式规则变化大全: [1] e结尾的情况: e结尾的动词, 直接加d: smile--smiled; hope--hoped. ie结尾动词,直接加d: die-died;tie-tied. [2] 双辅音结尾的情况: 两个辅音字母(consonant)结尾的, 直接加ed: helped; learned. [3]两个元音+一个辅音结尾的情况: 两个元音(vowels:a,e,i,o,u)加一个辅音字母结尾的动词,直接加ed: rained; heated. [4] 一个元音+一个辅音结尾的情况: 一个元音(vowel)加一个辅音字母结尾的动词: (1) 对单音节(one-syllable)单词,双写最后一个辅音字母加ed. . stopped; planned; (2) 对双音节(two-syllable)单词,如果重读在第一个音节处,不双写加ed. 如: visited(重读在vis前); offered(重读在of前); (3) 对双音节(two-syllable)单词,如果重读在第二个音节处,双写词尾辅音字母加ed. 如: preferred(重读在fer前); admitted(重读在mit前); referred; deferred; [5] y结尾的情况: 元音+y结尾动词,直接加ed: played; enjoyed. 辅音+y结尾动词,y变i加ed: worried;studied. 1.把动词原形中的i改为a,变成过去式。如: begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam 2.把重读开音节中的i改为o,变成过去式。如: drive—drove,ride—rode,write—wrote 3.改动词原形中的aw /ow为ew,变成过去式。如: draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed) 4.动词原形中的e改为o,变成过去式。如: get—got,forget—forgot 5.动词原形中的ee改为e,变成过去式。如: feed—fed,meet—met 6.动词原形中的eep改为ept,变成过去式。如: keep—kept,sleep—slept,sweep—swept 7.动词原形中的eak改为oke,变成过去式。如: break—broke,speak—spoke 8.动词原形中的ell改为old,变成过去式。如: sell—sold,tell—told 9.动词原形中的an改为oo,变成过去式。如: stand—stood,understand—understood 10.以ought和aught结尾,且读音是〔 :t〕的过去式。如: bring—brought,buy— bought,think—thought,catch—caught,teach—taught 11.以ould结尾且读音为〔ud〕的情态动词过去式。如: can—could,shall—should,will—would 12.把动词原形中的o改为a,变成过去式。如: come—came,become—became 13.在动词原形后加d或t变成过去式,并且发生音变。如: hear〔hi 〕—heard〔h :d〕, say〔sei〕—said〔sed〕,mean〔mi:n〕—meant〔ment〕 14.动词的过去式与动词原形一样。如: let—let,must—must,put—put,read—read〔red〕 15.不符合上述规律的动词过去式。如: am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,feel—felt,find—found,fly—flew,go—went,have /has— had,hold—held,leave—left,make—made,may—might,run—ran,see—saw,take—took 本文来源:https://www.wddqw.com/doc/8912ee629b6648d7c1c746cd.html