时间和动作的种类
1.一般现在时(do/does)
2.一般过去时(did)
3.一般将来时(will/shall do),(be going to do)
4.一般过去将来时(would/should do),(was/were going to do)
5.现在进行时(be doing)
6.过去进行时(was/were doing)
7.将来进行时(will/shall be doing)
8.过去将来进行时(would/should be doing)
9.现在完成时(have/has done)
10.过去完成时(had done)
11.将来完成时(will/shall have done)
12.过去将来完成时(would/should have done)
13.现在完成进行时(have/has been doing)
14.过去完成进行时(had been doing)
15.将来完成进行时(will/shall have been doing)
16.过去将来完成进行时(would/should have been doing)
