我整理的高中英语语法大全
16. 一般现在时代替一般过去时
1 ) "书上说","报纸上说"等。例如:
The newspaper says that it's going to be cold tomorrow. 报纸上说明天会很冷的。
2) 叙述往事,使其生动。例如:
Napoleon's army now advances and the great battle begins.拿破仑的军队正在
向前挺进,大战开始了
17. 一般现在时代替现在完成时
1) 有些动词用一般现在时代替完成时,如hear, tell, learn, write , understand, forget, know, find , say, remember等。例如:
I hear (= have heard) he will go to London. 我听说了他将去伦敦。
I forget (=have forgotten) how old he is. 我忘了他多大了。
2) 用句型 " It is since "代替"It has been since "。例如:
It is (= has been) five years since we last met. 从我们上次见面以来,五年
过去了。
18. 一般现在时代替现在进行时。
在Here comes /There goes 等句型里,用一般现在时代替现在进行时。例如:
There goes the bell. 铃响了。
19. 现在进行时代替将来时
1) 表示即将发生的或预定中计划好的活动。例如:
Are you staying with us this weekend? 和我们一起度周末好吗?
We are leaving soon. 我们马上就走。
2) 渐变动词,如get, run, grow, become, begin以及瞬间动词die等。例如:
He is dying. 他要死了。
20.时态一致
1) 如果从句所叙述的为真理或相对不变的事实,则用现在时。例如:
At that time, people did not know that the earth moves. 那时,人们不知道地球是动的。
He told me last week that he is eighteen. 上星期他告诉我他十八岁了。
2) 宾语从句中的,助动词ought, need, must, dare 的时态是不变的。例如:
He thought that I need not tell you the truth. 他认为我不必告诉你真相。
三.巩固练习:
1、I’ ll give the book to him as soon as he ________ back.
2、Has the baby ________ crying yet? (stop)
3、I don’ t know whether Mother __________ me to Beijing next month.(take)
4、She _______ on her coat and went out. (put)
5、 “What are they doing?” “They __________ ready for the sports meeting.” (get)
6、The boy asked his mother ________him go and play basketball.(let)
7、I’m sorry to keep you ____________ for a long time. (wait)
8、It ________ (take) him half an hour _______ (finish) his homework yesterday.
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