-
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
< br>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
-e
d
如:
stopped
begged
fretted
dragged
dropped
planned
dotted
drip
ped
2)
过
去
式
不
规
p>
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
—
< br>drew
grow
—
grew
know
—
knew
throw
—
threw
(动词<
/p>
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
p>
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:
spe
ak
—
spoke
break
—
broke
8
.动词原形中的
ell
改为
old
,变成过去式。如:
sel
l
—
sold
tell
—
told
9
.动词原形中的
an
改为
oo
,变成过去式。如:
stand<
/p>
—
stood
understand
—
understood
10
.以
ought
和
aught
结
尾,且读音是[
:t
]
的
过
去
式
。
< br>如
:
bring
—
brought
buy
—
bought
think
—
thought
catch
—
caught
teach
—
taught
1
1
.以
ould<
/p>
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
p>
13
.在动词原形后加
d
< br>或
t
变成过去式,并且发生音变。如:
< br>
hear
[
hi
]
—
heard
[
h :d
]
say
[
sei
]
—
said
[
sed
]<
/p>
,
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
,
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