一般过去时知识点归纳
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2021年01月21日 08:58
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一般过去时知识点归纳
一般过去时的用法
1
.一般过去 时表示过去某个时间发生的动作或存在的状态,常和表示
过去的时间状语连用。
一般过去时也表 示过去经常或反复发生的动作。
2
.
Be
动词在一般过去时中的变化:
⑴
am< br>和
is
在一般过去时中变为
was
。
(
wasnot =wasn't
)
⑵
are
在一般过去时中变为
were
。
(
werenot=weren't
)
⑶带有
was
或
were
的句子,
其否定、
疑问的变化和
is,a m,are
一样,
即
否定句在
was
或
were
后 加
not
,一般疑问句把
was
或
were
调到句首。
3
.句中没有
be
动词的一般过去时的句子
否定句 :
didn't+
动词原形,如:
Jimwenthomeyesterday.
Jimdidn'tgohomeyesterday.
一般疑问句:在句首加
did
,句子中的动词过去式变回原形。
如:
Jimwenthomeyesterday.
DidJimgohomeyesterday?
特殊疑问句:⑴疑问词
+
一般疑问句?如:
Jimwenthomeyesterday.
DidJimgohomeyesterday?
WhatdidJimdoyesterday?
动词过去式变化规则:
1
.一般在动词末尾加
-ed
,如:
pull- pulled,cook-cooked
2
.结尾是
e
加
d
,如:
taste- tasted
3
.末尾是辅音字母加一个元音字母和一个辅音字母的重读闭音节,应
双写末尾的辅音字母,再加
-ed
,如:
stop-stopped
4.以
“
辅音字母
+y”
结尾的,变
y
为
i,再加
-ed
,如:
study-studied
5
.不规则动词过去式:
词义
现在(原形)
过去
是
am,is(be)
was
是
are(be)
were
成为
become
became
开始
begin
began
弯曲
bend
bent
吹
blow
blew
买
buy
bought
能
can
could
捕捉
catch
caught
选择
choose
chose
来
come
came
切
cut