一般过去时的变化规则

如题所述

第1个回答  2019-12-09
常规的动词只需要在此为加上ed就可以了,但是还有一些不规则的动词需要特殊记忆。
不规则动词过去式和过去分词归纳
不规则动词过去式和过去分词
a.
原形与过去式和过去分词完全相同.
cost----cost----cost
cut----cut----cut
put----put----put
let--let--let
set-set-set
hit--hit-hit
shut--shut-shut
hurt-hurt--hurt
read--read-read
读音
/e/
lie-lied--lied
说谎
lay--laid--laid
放置,下蛋
lay-
lain
躺下,位于,平放
1.
把动词原形中的o改为a,变成过去式。过去分词不变.如:
become—became,
come—came
2.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
,sink—sank,
3.把重读开音节中的i改为o,变成过去式。如:
drive—drove,ride—rode,shine—shone,win—won,write—wrote
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eep改为ept,变成过去式。如:
keep—kept,sleep—slept,sweep—swept
6.
动词原形中的an改为oo,变成过去式。如:
stand—stood,understand—understood
7.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)
8.动词原形中的eak改为oke,变成过去式。如:
break—broke,speak—spoke
9.动词原形中的ell改为old,变成过去式。如:
sell—sold,tell—told
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.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〕,
dream—dreamt
〔dremt〕
13.动词的过去式与动词原形一样。如:
cut—cut,
hit—hit,
hurt—hurt,
let—let,must—must,
put—put,read—read〔red〕,set—set
14.
动词的过去式有两种形式。如:
dream—dreamed/
dreamt
learn—learnt/
learned
shine—shone/
shined
smell—smelt/
smelled
wake—woke/
waked
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,hide—hid,
hold—held,lay—laid,leave—left,lie—lay,lose—lost,make—made,may—
might,run—ran,see—saw,
smell—smelt,take—took,wake—woke,
wear—wore