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八种基本时态的殊用法.ppt

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8种基本时态的特殊用法
一、一般现在时
一般现在时用来表示现在的状态、经常的或客观事实和普遍真理。
He is twelve and he is at school.
I get up at 5:00 every morning.
She likes English and speaks it very well.
As is known to us all, the earth goes round
the sun.
一般现在时代替现在进行时和表示将来
在由here和there引起的句子中, 常用
一般现在时代替现在进行时。
es the bus.
( The bus ing.)
There she goes. ( She is going.)
2. 有少数动词(如arrive, be, begin, come,
finish, fly, go, have, leave, open, return, sail,
set, take)的一般现在时可用来表示一个按
规定、计划或安排要发生的动作。这样用时,
通常要用一个表示将来时间的状语。
es tomorrow afternoon.
School begins on September 1st.
Next month is May.
The train leaves / stars at 5 pm.
3. 在时间、条件、让步状语从句中,
要用一般现在时表示将来的动作。
I’ll write to you as soon as I get there.
We won’t go unless it is fine tomorrow.
He won’t forgive me even if I apologize.
二、一般过去时
一般过去时表示过去某个时间发生的动作或
持续的状态, 也可以表示过去经常或反复发生
的动作。
That terrible earthquake happened in 1976.
He was at the meeting yesterday afternoon.
She always went to school by bike last year.
在时间、条件、让步状语从句中, 要用
一般过去时表示过去将要发生的动作。
She said she would let me know before
she left.
They planned to go outing if it was fine
the next day.
2. 在It’s (about / high) time (that) …,
I’d rather …, Would you mind if …等句式中,
从句中的谓语动词用一般过去时表示现在
或将来的动作。
It’s time you took a rest now.
---Shall I open a window?
---I’d rather you didn’t.
Would you mind very much if I asked
you to do something?
3. 在虚拟语气中, 用一般过去时表示现在
或将来的动作。
If I had time, I would go with you.
He looks as if he were ill.
I wish I knew the answer.
If only I were ten years younger.
三、现在进行时
现在进行时表示现在(说话瞬间)正在进行的
动作, 也可以表示当前一段时间内的活动或
现阶段正在进行的动作。
She is reading in the reading room now.
We are working on a farm these days.
现在进行时的特殊用法

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