-
英
语
常
见
< br>的
八
种
基
本
时
态
中
英语中常见的八种基本时态
一、
一般现在时:
< br>1.
概念:经常、反复发生的
动作
或行为及现在的某种状况。
2.
时间状语:
always,
usually, often, sometimes, every week (day, year,
month
…
), once a
week, on Sundays,
3.
基本结构:动词
原形
(如主语为
第三人称单数
,动词上要加(
e
)
S
)
<
/p>
4.
否定形式:
am/is/are+n
ot;
此时态的
谓语动词
若为
行为动词
,则在其前加
don't,
如主语为第三人
称单数,则用
doesn't
p>
,同时还原行为动词。
5.
一般疑问句:把
be
动
词放于句首;用助动词
do
提问,如主语为第三人称单数,则用
does
,同
时,还原行为动词。
p>
6.
例句:
. It seldom
snows here.
He is always
ready to help others.
Action speaks louder than words.
二、
一般过去时:
< br>1.
概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为
。
2.
时间状语:
ago,
yesterday, the day before yesterday, last
week(year, night, month
…
),
in
1989, just now, at the age of 5, one
day, long long ago, once upon a time, etc.
3.
基本结构:
be
动词;行为动词
4.
否定形式:
was/were+not;
在行为动词前加
didn't
,同时还
原行为动词。
5.
一般疑问句:
was
或
we
re
放于句首;用助动词
do
的过去式
did
提问,同时还原行为动词。
6.
例句:
She often
came to help us in those days.
I didn't know you were so busy.
三、
现在进行时:
< br>1.
概念:表示现阶段或说话时正在进行的动作及行为。
2.
时间状语:
now, at
this time, these days, etc.
3.
基本结构:
am/is/are+doing
4.
否定形式:
am/is/are+not+doing.
5.<
/p>
一般疑问句:把
be
动词放于句首。
p>
6.
例句:
How are you
feeling today?
He is doing
well in his lessons.
四、
过去进行时:
< br>1.
概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。
2.
时间状语:
at this
time yesterday, at that time
或以
when
引导的谓语动词是一般过去时的时间
状语等。
p>
3.
基本结
构:
was/were+doing
4.
否定形式:
was/were +
not + doing.
5.
一般疑问句:把
was
或
were
p>
放于句首。
6.
例句:
At that time
she was working in a PLA unit.
When he came in, I was reading a
newspaper.
五、
现在完成时:
< br>1.
概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开
始,持续到现在的
动作或状态。
2.
时间状语:
recently,
lately, since
…
for
…
,in the past few years, etc.
3.
基本结构:
have/has +
done
4.
否定形式:
have/has +
not +d one.
5.
一
般疑问句:
have
或
has
。
6.
例句:
I've written
an article.