語法的復(fù)習(xí)是比較枯燥的，同時對于參加博士生入學(xué)考試的學(xué)員來說，基礎(chǔ)語法的學(xué)習(xí)已經(jīng)是很久之前的事情了。要想在短期內(nèi)提高語法基本功，最理想的辦法就是復(fù)習(xí)語法知識和做題。以下是小編為大家整理分享的考博英語常見的語法知識點內(nèi)容，希望能給大家提供幫助。

過去將來時的基本特征，也就是我們所談到的“立足過去，著眼未來”。它表示從過去某一時間來看將要發(fā)生的某個動作或存在的某種狀態(tài)。例如：Mary told me that she would go to Shanghai by plane.那么過去將來時態(tài)的構(gòu)成是什么呢?它都有哪些用法呢?

基本構(gòu)成——

A ) would + 動詞原形

如He asked me if I would stay here. 他問我是否要待在這兒。

B ) was / were going to + 動詞原形

如No one knew when he was going to finish his homework.

C ) was/ were ( about ) to + 動詞原形

如：He said that they were to leave at six.

She said that the meeting was about to begin.

D) come, go, arrive, leave, die 等瞬時動詞，用在過去進行時態(tài)中表示過去將來。

如：She told us that she was leaving for Yunnan.

基本用法——

A ) 主句為過去時，賓語從句常表示將要發(fā)生的事情。

如：Nobody knew what would happen after a hundred years.

We wanted to know whether she was going to speak at the meeting.

B ) 在敘述過去的事情或事情發(fā)生的經(jīng)過時，用過去將來時表示在當(dāng)時看將來會發(fā)生的事。如：It was a Sunday afternoon. A young woman named Maria had just left school. He was going to

start to work the next week, so she decided to buy some new clothes and a new pair of shoes.

C ) 過去將來時還可以用來表示非真實的動作或狀態(tài)。

如：If I had a chance to study abroad, I would study at Harvard University.

I wish he would go with me to the cinema tonight.

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