文档介绍:Outline
1 .一般现在时
2 .一般过去时3 .一般将来时4 .过去将来时:5 .过去进行时:
6. 过去完成时7. 现在进行时:8. 现在完成时:
现在
过去
将来
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用法: 经常性的和习惯性的动作
常用时间状语 :
usually, sometimes, in spring, every day, in the morning
一般现在时的动词形式: 动词原形
;is ;are
,has
-(e)s
一般现在时
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肯定句:I watch television every day.
否定句:I don’t watch television every day.
疑问句:Do you watch television every day.
注意: start, leave, go, come等的一般现在时可表示按规定要发生的未来动作,如列车将离开。客观真理在从句中也用一般现在时.
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It snows in winter.
It doesn’t snow in winter.
Does it snow in winter?
Examples:
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一般现在时的使用:
、通常、习惯性的动作或状态。
It snows in winter.
I watch television every day.
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。
Water consists of hydrogen and oxygen.
Most animals kill only for food.
The world is round.
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。
I have only a dollar right now.
He needs a pen right now.
注:这些动词不能用于进行时。
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用法:过去时间发生的或过去经常性的动作
常用时间状语:
yesterday, last night, two days ago, in 2000, at that time,
before ,when
等引导的含 过去时的句子。
动词构成:动词过去时(--ed)
listen—listened
study---studied
stop-----stopped
come----came
一般过去时
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否定构成:didn’t+动原
didn’t work used not (didn’t use) to work
一般疑问构成及简答举例:Did+主语+动原+其它?
特殊疑问句举例:What did he do yesterday?
When did he get up this morning?
注意:He has opened the door.(表示过去“开门”的动作对现在的影响是门还开着)He opened the door.(不能确定门现在是否开着)
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.
I walked to school yesterday.
I bought a new car three days ago.
walked,bought
now
一般过去时的使用:
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