动词的过去式变化形式

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动词的过去式变化形式

1)

过去式规则变化

1.一般情况下,动词词尾加-ed ,

如:worked played wanted acted

2. 以不发音的-e

结尾动词,动词词尾加-d,

如:lived moved decided declined hoped judged raised wiped

3.

以辅音字母+ y结尾的动词,把-y变为-i 再加

-ed,如:studied tried copied justified cried carried embod ied emptied

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:

stopped begged fretted dragged dropped planned dotted drip ped

2)

过去式不规则变化

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: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:speak—spoke

break—broke

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

—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 —

,run —ran ,see —saw ,take —took

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