目前，AEAS考试报名受到的关注越来越高，AEAS考试培训录取竞争越来越激烈。这里应广大学子的要求，为大家提供AEAS真题模拟成绩提升技巧，这次介绍的是三个英语时态。

“中国人说话没有时态!”老外们总是发出这样的感慨。的确，和汉语相比，英语的时态变多格外明显。下面就给大家介绍三种常用的过去时态。下次说话记得用时态，不然就分外洋泾浜啦!

I.AEAS考试培训之过去进行时

概念：表示过去某段时间或某一时刻正在发生或进行的行为或动作。

时间状语：at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。

基本结构：was/were + doing

否定形式：was/were + not + doing.

一般疑问句：把was或were放于句首。

例句：At that time she was working in a PLA unit.

When he came in, I was reading a newspaper.

II.AEAS考试培训之过去完成时

概念：以过去某个时间为标准，在此以前发生的动作或行为，或在过去某动作之前完成的行为，即“过去的过去”。

时间状语：before, by the end of last year(term, month…),etc.

基本结构：had + done.

否定形式：had + not + done.

一般疑问句：had放于句首。

例句：As soon as we got to the station, the train had left.

By the end of last month, we had reviewed four books

III.AEAS考试培训之过去将来时

概念：立足于过去某一时刻，从过去看将来，常用于宾语从句中。

时间状语：the next day(morning, year…),the following month(week…),etc.

基本结构：was/were/going to + do;would/should + do.

否定形式：was/were/not + going to + do; would/should + not + do.

一般疑问句：was或were放于句首;would/should 提到句首。

例句：He said he would go to Beijing the next day.

I asked who was going there.