肯定式： I would/I’d work/I should work
you would/you’d work等
否定式： I would not/wouldn’t work或
I should not/shouldn’t work
you would not/wouldn’t work等
疑问式： would/should I work?
would you work?等
否定疑问式： should I not/shouldn’t I work?
would you not/wouldn’t you work?等
(c)过去将来时。当主句的主要动词是过去时的时候，从句中就必须用 would/should而不用 will/shall：
I hope(that) I will/shall succeed.
I hoped(that) I would/should succeed.
I know(that) he will be in time.
I knew(that) he would be in time.
He thinks(that) they will give him a visa.
He thought(that) they would give him a visa.
I expect(that)the plane will be diverted.
I expected(that)the plane would be diverted.