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英語過去將來時語法詳解
在學習、工作、生活中，大家都收藏過令自己印象深刻的句子吧，借助句子，我們可以更好地表達。那什么樣的句子才具有啟發意義呢？以下是小編幫大家整理的英語過去將來時語法詳解句子，歡迎大家分享。
過去將來時的結構
過去將來時由“would+動詞原形”構成，主要表示從過去某一時間來看將要發生的動作(尤其用于賓語從句中)。如：
She said that she wouldn't do that again. 她說她再不會這樣做了。
He promised that he would help me. 他答應他會幫助我。
對于一個謂語動詞用一般將來時的句子，如果將它置于一個主句謂語為過去式的賓語從句中，那么原來的一般將來時就要變為過去將來時，因為此時對于賓語從句來說，時間的基點從現在移到了過去。比較：
He will agree. 他會同意的。
I knew he would agree. 我當時就知道他會同意的。
過去將來時的用法
1、表示從過去的某一時間來看將來要發生的動作或存在的狀態。過去將來時常用于賓語從句和間接引語中。
例句：I didn't know if he would come. 我不知道他是否會來。 (指過去不知道。)
She told us that she would not go with us，if it rained. 她告訴我們，如果下雨，她就不和我們一起去了。
2、過去將來時�？捎脕肀硎具^去習慣性的動作。此時，不管什么人稱，一律用would。
Whenever he had time，he would do some reading. 他一有時間，總是看書。
3、表示主管打算、計劃要做的事情或根據過去的某種跡象做出的推測，用was/were going to+動詞原形表示 .
例句：Last Sunday we were going to visit the Great Wall, but it rained. 上星期天我們本想去游覽長城的，但卻下雨了。
過去將來時的各種句型
同一般將來時，把系動詞be變為過去式，把will，shall變為過去式。句型如下：
肯定句：主語+be(was，were)going to+動詞原形+其他
否定句：主語+be(was，were)not going to+動詞原形+其他
疑問句：Be(Was，Were)+主語+going to+動詞原形+其他
肯定句：主語+would(should)+動詞原形+其他
否定句：主語+would(should)not+動詞原形 +其他
疑問句：Would(Should)+主語+動詞原形+其他
英語語法入門之過去時態
There are two tenses in English – past and present.
英語里有兩種時態—過去時和現在時。
The past tense in English is used:
英語里過去時用于：
to talk about the past
談論過去
to talk about hypotheses – things that are imagined rather than true.
談論假設
for politeness.
基于禮貌
There are four past tense forms in English:
We use these forms:
to talk about the past:
He worked at McDonald’s. He had worked there since July.
He was working at McDonald’s. He had been working since July.
to refer to the present or future in conditions:
He could get a new job if he really tried.
If Jack was playing they would probably win.
and hypotheses:
It might be dangerous. Suppose they got lost.
I would always help someone who really needed help.
and wishes:
I wish it wasn’t so cold.
In conditions, hypotheses and wishes, if we want to talk about the past, we always use the past perfect:
在條件狀語從句、虛擬語氣以及表祝愿時，我們在談論過去時，經常使用過去完成時。
I would have helped him if he had asked.
It was very dangerous, What if you had got lost?
I wish I hadn’t spent so much money last month.
We can use the past forms to talk about the present in a few polite expressions:
在一些禮貌的表達中，我們用過去式來談論現在的事情。
Excuse me, I was wondering if this was the train for York.
I just hoped you would be able to help me.
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