动词时态的典型例题
(1)He said he________me a present unless I_______ in doing the experiment.
A. had not given; had not succeeded B. would not give; succeed
C. will not give; succeed D. would not give; will succeed.
答案B. 在时间,条件或让步主语从句中一般不用将来时。本题有He said,故为过去式。主句用将来时,故选B. 此处用一般过去式代替了过去将来时。
(2) 表示现在已安排好的未来事项,行程等活动。
The museum opens at ten tomorrow. 博物馆明天10点开门。(实际上每天如此。)
一般现在时代替过去时
1 )书上说,报纸上说等。
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。
Napoleon's army now advances and the great battle begins.
拿破仑的军队现在进展和大战开始了
一般现在时代替完成时
1) 有些动词用一般现在时代替完成时:
hear,tell,learn,write,understand,forget,know,find,say,remember.
I hear (= have heard) he will go to London.
我听说他要去伦敦
I forget (=have forgotten) how old he is.
我忘了他多少岁
2) 句型 It is … since…代替It has been … since …
It is (= has been) five years since we last met.
自从我们上次见面以来已经有五年了
一般现在时代替进行时
1) 句型:Here comes… ;There goes…
Look,here comes Mr. Li:看,李先生来了
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。
Are you staying with us this weekend: 这周和我们一起度周末吗?
We are leaving soon:我们马上就走。
2) 渐变动词,如:get,run,grow,become,begin 及die。
He is dying:他快死了