词形变化形式四种:
1.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)
动作状态时间性分三时段:
1.现(Present)
2.(Past)
3.(Future)
四种词形形式三时段配合成十二种动词时态
十二种时态列表:
现I语do动词十二种时态实例表达:(例序时态次序)
1.I do it every day
(天做样事)
2.I did it yesterday
(昨天做件事)
3.I shallwill do it tomorrow
(明天做件事)
4.I am doing it now
(现正做件事)
5.I was doing it at that time
(时正做件事)
6.I shallwill be doing it at 9:00 tomorrow morning
(明天早晨九时会正做件事)
7.I have done it already
(已件事做)
8.I have done it before I went home yesterday
(昨天回家前件工作做完)
9.I shallwill have done it before you come back tomorrow
(明天回前会件工作做)
10.I have been doing it for two days
(件工作已做两天──说话时工作尚未做完继续做)
11.I had been doing the work for two hours when the teacher came
(老师时件工作已做两时──时工作尚未完成老师继续做)
12.I shallwill have been doing it for an hour when you come to see me at 9:00 tomorrow morning
(明天早九时时会做件工作做时──然尚未做完继续做)
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