初中英语时态之一(一般过去时总结)
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2021年02月02日 05:06
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一般过去时
(
simple past tense)
表示
过去某个 时间里
发生的
非持续性动作或存在
的状态,用
动词的过去式表示,
常 和表示过去的时间状语连用,
如:
yesterday
,
last night
,
in 1990
,
two days
ago
,
before
,
the age of
等。
一般过去时也表示
过去经常或反复发生的动作
,常和often
,
always
等表示频率的时间状语
连用。表示
过 去习惯性、经常性
的
动作、行为
;过去
主语所具备的能力和性格
。< br>
一般过去时不需考虑第三人称单数(简称三单)的变化。
句法结构
肯定形式
主语
+
动词过去式
+
其他
例句:
She often came to help us in those days.
否定形式
①
was/were+not
;
②在行为动词前加
didn't
,同时还原行为动词
例句:
I didn't know you like coffee.
一般疑问句
①
Did+
主语
+
谓语动词原型
+
其他?
②
②
WasWere+
主语
+
表语
?
例句:
Did I do homework?
需要注意
Be
动词、情态动词、实意动词的变化
1
.
Be
动词的一般过去时态
.
在没有实义动词的句子中使用
be
动词,
am is
的过去式为
was; are
的过去式为
were.
构成:肯定句:主语
+was (were) +
表语
如:
I was late yesterday.
(昨天我迟到了。)
否定句:主语
+was (were) +not+
表语
如:
We weren't late yesterday.
(我们昨天没有迟到)
【注意】
:
当句中含有系动词
wa s
,
were
时,
可直接在其后加
not
构成否定句。如:
I was on the Internt
when you called me.
当你打电话给我时,我在上网。
→
:
I was not/wasn't on the Internt when you
called me .
当你打电话给我时,我不在上网。
疑问句:
Was (Were) +
主语
+
表语当谓语动词提前并直接或间接表达注意时态
特殊疑问句:特殊疑问词
+was (were) +
主语
+
表语
2
.实义动词的一般过去时态
肯定句要使用动词的过去式,否定句和疑问句要使用助动词
do
和
does
的过去式
did.
否定句:主语
+didn't +
动词原形
+
宾语
疑问句:
Did +
主语
+
动词原形
+
宾语
3
.助动词和情态动词过去式如下:
shall―should
(将要)用于第一人称单数
will―would
(将要)用于所有人称
can
—
could
(能,会)
may―might
(可以)
must―must
(必须)
have to―had to
(不得不)
助动词和情态动词的过去时态要使用他们的过去式,后面的动词还使用原形。
如:
I had to do my homework yesterday.
(昨天我不得不做作业。)
一般过去时
-
三变技巧
一变:肯定句变为否定句
技巧
1.
当 句中含有情态动词或助动词
could
,
would
,
should
等时,可直接在其后面加
not
构成否
定句。例如:
I
could get you a concert ticket. → I could not / couldn't get you a concert ticket.
技巧
2.
当句中含有系动词
was
,
were
时,可直接在其后加
not
构成否定句。例如:
I was on the Internet when you called me. → I was n
ot / wasn't on the Internet when you called me.
技巧
3.
当句中谓语是除情态动词、助动词、系动词
was, were
以外的动词时,在该动词之前加
did
not / didn't
,动词还原,构成否定句。例如:
The famous singer sang some Chinese songs. → The famous singer did not / didn't sing any Chinese
songs.
二变:陈述句变为一般疑问句
技巧
1.
移动词语的位置。将
was
,
were, cou ld
,
would
,
should
等移到句首。例如:
He could pack his things himself. → Could he pack his things himself?