内容正文:
一般现在时
(
一
、一般现在时
)
一般现在时主要用来表示经常性、习惯性的动作或现在的状态。
1.一般现在时的构成
(1)动词be
肯定式
I am…
He/She/It is."
We/You/They are…
疑问式
Am I…?
Is he/she/it…?
Are we/you/they…?
否定式
I am not…
I'm not…
He/She/It is
not/isn't…
We/You/They are
not/aren't ..
否定疑
问式
Am I
not…?
Is he/she/it not…?
或Isnt
he/she/it…?
Are we/you/they not
或Aren't we/you/
they….?
(2)其他实义动词(以work为例)
肯定式
I work
He/She/It works
We/You/They work
疑问式
Do I work?
Does he/she/it work?
Do we/you/they work?
否定式
I don't work
He/She/
It does not/doesn't work
We/You/They do not/don't work
否定疑
问式
Do I not work?
或Don'tI work?
Does he/she/it not work?或
Doesn't he/she/it work?
Do we/you/they not work?或Don't we/you/they work?
2.一般现在时的用法
(1)表示经常发生或反复发生的动作这种用法中经常与often,usually,always,sometimes,every
day等时间状语连用。
She usually gets up at 6:30.她通常六点半起床。
l often go to school on foot.我经常走着去上学。
I play football after school every afternoon.
我每天下午放学后踢足球。
(2)表示现在的情况或状态
l enjoy playing computer games.我喜欢玩电脑游戏。
Does Molly live here?莫莉住在这儿吗?
第1页(共4页)
She speaks Spanish.她说西班牙语。
The book consists of five parts.
这本书包括五部分。
(3)表示客观真理
The sun rises in the east and sets in the west.
太阳东升西落。
Metal expands when heated.金属加热后会膨胀。
The earth travels around the sun.地球绕太阳旋转。
(4)表示将来
①表示按时刻表或安排到时间就会发生的事情或动作
The train arrives at 10:30.There's plenty of time.
火车十点半到达。还很多时间。
The final exam takes place next week.
期末考试下周举行。
②在时间状语从句和条件状语从句中
If you arrive,please give me a phone call.
如果你到了,请给我打个电话。
As long as it doesn't rain tomorrow,we'll have a trip.只要明天不下雨,我们就去旅行。
I will discuss this matter with you when we meet next time.下次见面时我会和你讨论这件事。
We won't leave until you come.你来了我们再走。
(
二、专项习题
)
Jim books after dinner every day.
A.is reading B.read C.reads D.will read
On Sundays the twins sometimes their clothes and their mother often some shopping.
A.wash;do B.washed;did C.wash;does D