英语过去式变化规律有哪几种?
e结尾的情况: 直接加d,e结尾的动词, 直接加d: smile--smiled; hope--hoped.ie结尾动词,直接加d: died;tied.
双辅音结尾的情况: 直接加ed,两个辅音字母(consonant)结尾的, 直接加ed: helped; learned.
重读闭音节:一个元音+一个辅音结尾的情况:双写最后一个辅音字母加ed.
stopped; planned; preferred(重读在fer前); admitted(重读在mit前); referred; deferred;y结尾的情况: 辅音+y结尾动词,y变i加ed: worried;studied.
以t结尾的词,过去式与原形相同。如:put—put, let—let, cut—cut, beat—beat read—read must--must
以d结尾的词,把d变成t。如:build—built, lend—lent, send—sent, spend—spent 3. 以n结尾的词,在词后加t。如:mean—meant, burn—burnt, learn—learnt
以ow / aw结尾的词,把ow / aw变成ew。如:blow—blew, draw—drew, know—knew, grow—grew throw—threw(动词show除外,show—showed)
含有双写字母的词,将双写改为单写,在词尾加t。如:keep—kept, sleep—slept, feel—felt, smell—smelt sweep—swept
含有元音字母o / i的词,将o / i变成a。如:come—came become—became sing—sang, give—gave, sit—sat, drink—drank
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把重读开音节中的i改为o,变成过去式。如:
drive—drove,ride—rode,write—wrote 9.动词原形中的e改为o,如: get—got,forget—forgot 10.动词原形中的ee改为e,如: feed—fed,meet—met动词原形中的eak改为oke,如: break—broke,speak—spoke
动词原形中的ell改为old,如: sell—sold,tell—told
动词原形中的an改为oo,如: stand—stood,understand—understood
以ould结尾且读音为〔ud〕的情态动词过去式。如: can—could,shall—should,will—would
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〕 16.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,find—found,fly—flew,go—went,have /has— had,hold—held,leave—left,make—made,may—might,run—ran,see—saw,take—took