什么是過去將來時態(tài)及其用法

一、用法
過去將來時表示從過去某個時間看將要發(fā)生的事情。
二、構(gòu)成
過去將來時由would， was/were going to， was/were to was/were about to等加動詞原形構(gòu)成， 也可由was/were on the point of加動名詞構(gòu)成。
I knew you would agree. 我知道你會同意的。
I said I would arrange everything. 我說我來安排一切。
注：在過去將來時中，所有人稱都用would，尤其在口語中。只有個別情況才用should.如：
We knew we should win. 我知道我們會贏。
I told her that I was leaving soon. 我告訴她我們很快就要離開。
We were to have been married last year. 我們本來打算去年結(jié)婚的。
When we arrived，the train was just going to start. 我們到達時，火車正要啟動。
I was about to leave when the telephone rang. 我正在離開，電話鈴響了。
I was on the point of going when you came in. 我正要出去你來了。
The talk was due to last for three days. 會談將進行三天。