1 一般现在时 用动词原形
2 一般过去时 用动词过去时
3 现在进行时 be + ving
4 过去进行时 was/were + ving
5 一般将来时 will + 动词原形 或 be going to +动词原形
6 过去将来时 would + 动词原形 或 was/were going to +动词原形
7 现在完成时 have/has + v过去分词
8 过去完成时 had + v过去分词
9 现在完成进行时 have/has been + ving
10 过去完成进行时 had been + ving
11 一般将来进行时 will be + ving
12 过去将来进行时 would be + ving
13 将来完成时 will have + v过去分词
14 过去将来完成时 would have + v过去分词
15 将来完成进行时 will have been + ving
16 过去将来完成进行时 would have been + ving
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。）
发表于 2016-7-22 10:31:23
