GCT英语语法——时态

一般时态

进行时态

完成时态

完成进行时态

现在

do

does

be (am, is are )  doing

has  doing

have

has been doing

have

过去

did

be (was, were) doing

had done

had been doing

将来

shall do

will

shall (will) be doing

shall (will) have done

shall (will) have been doing

过去将来

should (would) do

should (would) be doing