1）一般现在时 be/do/does
2）一般过去时 was/were/did
3）一般将来时 will
4）一般过去将来时 would
5）现在进行时 be doing
6）过去进行时 was/were doing
7）将来进行时 will be doing
8）过去将来进行时 would 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 have done
12）过去将来完成时 would 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 have been doing
16）过去将来完成进行时 would have been doing
