一般

完成

进行

完成进行

现在

现在一般时
He sees
He is
There is

现在完成时
He has seen
He has been
There has been

现在进行时
He is seeing

现在完成进行时
He has been seeing

过去

过去一般时
He saw
He was
There was

过去完成时
He had seen
He had been
There had been

过去进行时
He was seeing

过去完成进行时
He had been seeing

将来

将来一般时
He will see
He will be
There will be

将来完成时
He will have seen
He will have been
There will have been

将来进行时
He will be seeing

将来完成进行时
He will have been seeing

过去将来

过去将来一般时
He would see
He would be
There would be

过去将来完成时
He would have seen
He would have been
There would have been

过去将来进行时
He would be seeing

过去将来完成进行时
He would have been seeing