英语零基础学习：[5]初中八大时态
1、首先，熟记八大时态名称，可以从汉语角度做到更好的区分八大时态。分别是
一般现在时，一般过去时，一般将来时。
现在进行时 ， 过去进行时 ，过去将来时。
现在完成时，过去完成时。
2、其次，熟记八大时态句子的构成方式或常见词组或者词语。
一般现在时
句中会经常出现一些表示频率的词语或者词组，
如：every、twice a week、sometimes、always、often、usually、now、every(day、year、week)、never、seldom
一般过去时
句中会常出现表示过去时间的状语。
如：yesterday、just now、this（ morning、afternoon、evening）、last(year、month、week、night、Sunday、term)、（an hour、a week、many years）ago、in the past、in 2001、before…
构成：be ---was (am 、is的过去式) were----(are 的过去式)
V----V-ed(动词的过去式)
现在进行时
表示正在进行中的事情。句中常会出现的词语有：now /at the moment/at the present等
构成：V+ing ,表示正在进行中的事情。 Am /is /are+doing
过去进行时
表示过去的某一时刻在进行的事情，常出现的词语有
this time yesterday/last week
then/at that time/moment
at 6 p.m. yesterday
构成：
was / were + doing
一般将来时
表示将来某一时刻的动作或状态，或将来某一段时间内经常的动作或状态。常用语如：tomorrow， next week；in the future等
构成will / shall +V
be going to+V
过去将来时
表示从过去的某一时间来看将来要发生的动作或存在的状态。常出现的结构有
would+V
was /were+going to+V
现在完成时
表示动作发生在过去，但与现在的情况有联系，有时无时间状语，有时和一些表示不确定的过去时间状语连用，如：many times，just，yet，ever，never，already，before，so far, by now等连用。
表示从过去某一时间开始一直延续到现在并还可能继续延续下去的动作，用于延续性动词，且句中常带有表示一段时间的时间状语，如：since + 时间点/从句，for two months, so far等。
过去完成时
表示过去某一时间或动作以前已经发生或完成了的动作。它表示动作发生的时间是“过去的过去”常用时间状语有
by + 过去的时间点、by the end of + 过去的时间点、before + 过去的时间点
3、最后，背诵一些简单的例句，既可以熟记句子结构，也更利于背诵单词。
一般现在时
例句：She is sometimes very busy。
I will never forget this lesson.
We often go there.
一般过去时
例句：I went to the zoo yesterday.
This morning , I got up early , went out for a walk , then came back and cooked for my family .
I used to get up early.
现在进行时
例句：Let’s set off. It isn’t raining now.
We are working in a factory these days.
They are compiling a dictionary
过去进行时
例句：Tom was cooking his breakfast ,when the door bell rang。
We were watching TV from seven to nine last night.
We were expecting you yesterday.
一般将来时
例句：We are going to put up a building here.
I think it is going to snow.
I will(shall) arrive tomorrow.
过去将来时
例句：I knew you would agree.
I said I would arrange everything.
She was sixty-six. In three years，she would be sixty-nine.
现在完成时
例句：It is the first time that I have visited the city.
It was the third time that the boy had been late.
This is the best film that I've (ever) seen.
过去完成时
例句：I had learned 1000 English words till then.
I had finished reading the novel by nine o'clock last night.
We had learned over two thousand English words by the end of last term.