动词过去式变化规则及其读音规则规则动词的过去式变化如下：1、一般情况下，动词词尾加-ed，如：work---workedplay---playedwanted----wantedact----acted2、以不发音的-e结尾动词，动词词尾加-d，如：live---livedmove----movedtaste---tastedhope---hoped
把重读开音节中的i改为o，变成过去式。如：drive—drove，ride—rode，write—wrotetake-----tookhave----had
3、以辅音字母+y结尾的动词，把-y变为-i再加-ed，如：study---studiedcopy---copiedcry---criedcarry---carried
buy-----boughtfly------flewplay------played
4、以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加-ed，如：stop---stoppedSwim-----swamget-----gotsing----sangsit-----sat
二、过去式“-ed”的发音规则（1）动词词尾为“t，d”时，发/id/音，want→wanted（要）need→needed（需要）（2）动词词尾为清辅音时，发/t/音。help→helped（帮助）laugh→laughed（笑）look→looked（看）kiss→kissed（吻）wash→washed（洗）watch→watched（注视）清：／p／／t／／k／／f／／s／／tF／／ts／／tr／浊：／b／／d／／g／／v／／z／／T／／dV／／dz／／dr／（3）动词词尾为t，d以外之浊辅音或元音时，发/d/音。call→called（叫）stay→stayed（停留）cry→cried（哭）三、不规则动词的过去式变化规律性不强，须多加记忆。am，is—wasare—weredo—didhave／has—hadgo—wentget–goteat—atesee—sawtake—tookfly—flewleave—leftbuy-bought
fall—fellfeel—feltfind—foundhold—heldmake—mademay—mightrun—ranbuild—builtcome-came
不规则动词的过去式大体上归纳有以下六条记忆法：1.以t结尾的词，过去式与原形相同。如：put—put,let—let,cut—cut,beat—beatmust—must，read—read〔red〕hurt-hurt,2.以d结尾的词，把d变成t。如:build—built,lend—lent,send—sent,spend—spent3.以n结尾的词，在词后加t。如：mean—meant,burn—burnt,learn—learnt4.以ow/aw结尾的词，把ow/aw变成ew。如：blow—blew,draw—drew,know—knew,grow—grewthrow—threw（动词show除外，show—showed）5.含有双写字母的词，将双写改为单写，在词尾加t。如：eep改为eptkeep—kept,sleep—slept,sweep—swept（2）feel—felt,smell—smelt（3）ee改为e，feed—fed，meet—met（4）e改为oget—got，forget—forgot6.含有元音字母o/i的词，将o/i变成a。如：sing—sang,give—gave,sit—sat,drink—drankbegin—began，ring—rang，swim—swam
（2）drive—drove，ride—rode，write—wrotewin-won（3）come—came，become—became7．动词原形中的eak改为oke，变成过去式。如：break—broke，speak—spoke8．动词原形中的ell改为old，变成过去式。如：sell—sold，tell—told9．动词原形中的an改为oo，变成过去式。如：stand—stood，understand—understood10．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—taught11．以ould结尾且读音为〔ud〕的情态动词过去式。如：can—could，shall—should，will—would13．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〕 |
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