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- 2021-05-27 发布
定义 动词以一定的词形变化形式来表达事物之动作或状态的时间性
者称为时态(Tense)。
词形变化的形式共有如下四种:
1.一般式(Simple Form)
2.进行式(Progressive Form)
3.完成式(Perfect Form)
4.完成进行式(Perfect Progressive Form)
动作或状态的时间性则可分为如下三个时段:
1.现在(Present)
2.过去(Past)
3.将来(Future)
这四种词形形式和三个时段可以配合成如下的十二种动词的时态。
这十二种时态可以列表如下:
现以“I”为主语,“do”为动词,把这十二种时态以实例表达如下:(例序
即为时态的次序)
1.I do it every day.
(我每天做这样的事。)
2.I did it yesterday.
(昨天我做了这件事。)
3.I shall/will do it tomorrow.
(明天我要做这件事。)
4.I am doing it now.
(现在我正在做这件事。)
5.I was doing it at that time.
(当时我正在做这件事。)
6.I shall/will be doing it at 9:00 tomorrow morning.
(明天早晨九时我会正在做这件事。)
7.I have done it already.
(我已把这件事做好了。)
8.I have done it before I went home yesterday.
(昨天我在回家之前就把那件工作做完了。)
9.I shall/will have done it before you come back tomorrow.
(明天在我回来之前我会把这件工作做好。)
10.I have been doing it for two days.
(这件工作我已做了两天了。──说话时工作尚未做完,所以还得继续
做。)
11.I had been doing the work for two hours when the teacher came.
(老师来时那件工作我已做了两小时了。──当时工作尚未完成,所以
老师来了我还继续在做。)
12.I shall/will have been doing it for an hour when you come to see me at
9:00 tomorrow morning.
(明天早上九时你来看我时,我会在做那件工作做了一小时。──当然
尚未能做完,还得继续做下去。)
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