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过去式的变化规则

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2020-12-06 14:52
tags:动词过去式变化规则

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2020年12月6日发(作者:屈鼎)
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【过去式的变化规则】
① 一般情况下,在动词原形后直接加ed。
如:wanted,played。
② 以不发音的字母e结尾的动词,直接加d。
如:hoped,lived。
③ 重读闭音节单词需双写最后一个辅音字母,再加ed。如:stopped, shipped。
④ 以辅音字母+y结尾的动词变y为i,再加ed。
如:studied,worried。
⑤ 有些动词不符合上面的规则,需要特殊记忆。
如:am(is)-was, are- were, go-went, eat-ate,
Swim-swam, buy- bought, see-saw,
Teach-taught, bring-brought, think-thought,
Fall-fell, hurt-hurt, break- broke, win-won,
Lose-lost
































规则动词过去式加“ed”后的发音规则:
在浊辅音和元音后面 [d]




Called borrowed
Moved [mu:vd] enjoyed
Welcomed answered
在清辅音后面 [t]
Asked finished
helped [helpt]
passed [pa:st]
Reached
在[t]音后面 [id]
wanted ['wCntid] started['sta:tid]
[d]音后面[id]
Needed ['ni:did] counted['kauntid]0
清:/p//t//k//f//F/s//W//tF//ts//tr/
浊:/b//d//g//v//V//z//T//dV//dz//dr/
补充说明:
规则动词的过去式由“动词原形+-ed”构成,具体变化有:































1. 直接在词尾加-ed。如: want—wanted, work—worked, need—needed,
clean—cleaned


2. 以不发音的e结尾的在词尾加-d。如:like—liked, live—lived, use—used,
move—moved


3. 以一个元音字母加一个辅音字母结尾的重读闭音节动词,先双写结尾的辅音
字母,再加- ed。如:stop—stopped, trip—tripped


4. 以辅音字母加y结尾的动词,先把y变成i,再加-ed。如:study—studied,
carry—carried, hurry—hurried, marry—married


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—beat


2. 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


4. 以ow aw结尾的词,把ow aw变成ew。如:blow—blew, draw—drew,
know—knew, grow—grew


5. 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


6. 含有元音字母o i的词,将o i变成a。如:sing—sang, give—gave, sit—sat,
drink—drank







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 ---worked play---played wanted----wanted act----acted




2、以不发音的 -e 结尾动词,动词词尾加 -d,如:




live---lived move----moved taste--- tasted hope---hoped




3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:




study---studied copy---copied cry---cried carry---carried



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 ---stopped




5、不规则动词的过去式变化规律性不强,须多加记忆。




go – went make – made get – got buy - bought come - came fly-flew




不规则动词的过去式的构成




1.把动词原形中的i改为a,变成过去式。如:


< br>begin—began,drink—drank,give—gave,ring—rang,sin g—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:

罿


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—d id,eat—ate,fall—fell,feel—felt,
find—found,fly— flew,go—went,have /has— had,hold—held,leave—left,< br>make—made,may—might,run—ran,see—saw,take—took

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