内容正文:
中考英语时态专项复习
一、一般现在时的用法
1) 经常性或习惯性的动作,常与表示频度的时间状语连用。 时间状语: every…, sometimes, at…, on Sunday
I leave home for school at 7 every morning.
2) 客观真理,客观存在,科学事实。
The earth moves around the sun.
3) 表示格言或警句中。
Pride goes before a fall. 骄者必败。
注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。例如: Columbus proved that the earth is round.
4) 现在时刻的状态、能力、性格、个性。
Ann Wang writes good English but does not speak well.
比较:Now I put the sugar in the cup. I am doing my homework now.
第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。再如:Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志,表示正在进行的动作的客观状况。
知识扩展:一般现在时表将来
1)下列动词:come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。
The train leaves at six tomorrow morning.
2)倒装句,表示动作正在进行,如:
Here comes the bus. = The bus is coming.
3)在时间或条件句中。
When Bill comes (不是will come), ask him to wait for me.
4)在动词hope, take care that, make sure that等后。
I hope they have a nice time next week.
二、一般过去时的用法
1)在确定的过去时间里所发生的动作或存在的状态。 时间状语有:yesterday, last week, an hour ago, the other day, in 1982等。
I saw Tom in the street yesterday.
2)表示在过去一段时间内,经常性或习惯性的动作。
When I was a child, I often played football in the street.
3)用过去时表示现在,表示语气委婉礼貌。
(1)动词want, hope, wonder, think, intend 等。例如:
Did you want anything else?
I wondered if you could help me.
(2)情态动词 could, would,例如:
Could you lend me your bike?
4)用在条件句中表示与现在或将来事实不符的虚拟语气。
If he were here now, we could turn to him for help.
注意比较下列句型:
◎ It is time for sb. to do sth “到……时间了;该……了”,例如:
It is time for you to go to bed. 你该睡觉了。
◎ It is time sb. did sth. “时间已迟了;早该……了”,例如:
It is time you went to bed. 你早该睡觉了。
◎ would (had) rather sb. did sth. 表示“宁愿某人做某事”,例如:
I'd rather you came tomorrow.
一般过去时表示的动作或状态都已成为过去,现已不复存在。
Christine was an invalid all her life. (含义:她已不在人间。)
Christine has been an invalid all her life. (含义:她现在还活着)
Mrs. Darby lived in Kentucky for seven years. (含义:达比太太已不再住在肯塔基州。)
Mrs. Darby has lived in Kentucky for seven years.