时态无疑是初中英语最重要的语法内容，学好时态基本就拿下了语法的半壁江山。今天石家庄家教总结的时态是大家在初中阶段必学必考的，期末复习时一定要加倍重视哦！（温馨提示：不要忘记收藏哦，用时好找）
一般现在时标志：动词原形
1. 表示经常性或习惯性动作，常与表频度的时间状语连用：
She often speaks English.
I leave home for school at 7 every morning.
2. 表示现在的状态、特征、职业、能力、感觉等：
He seems to feel a bit down today.
He works as a driver.
3. 表示真理、客观存在、科学事实或用于格言警句中：
Shanghai lies in the east of China.
Columbus proved that the earth is round.
Where there is a will, there is a way.
4. 表示现在瞬间的动作：
Here comes the bus!
5. 表示将来
1) 表按规定、计划、安排将要发生的动作（仅限于某些表示“来、去、动、停、开始、结束、继续”等的趋向动词），可以与表示未来的时间状语搭配使用。常见的用法是：飞机、火车、轮船、汽车等定期定点运行的交通状况。如：
The next train leaves at 3 o’clock this afternoon.
How often does the shuttle bus run?
2) 在时间和条件状语从句中常使用一般现在时表示将来发生的事情：
When Bill comes (不用will come), ask him to wait for me.
I shall go there tomorrow unless I’m too busy.
一般过去时标志：动词过去式
*闭音节：元音字母a, e, i, o, u如果发字母本来的音则称为开音节，否则称为闭音节。
1. 表示过去某时所发生的动作或存在的状态，常与表示过去的时间状语连用（e.g. yesterday, this morning, just now, a moment ago, in May, last night / year / week, once upon a time, the other day, before …, when …, in the past等）。如：
Jim rang you just now.
Liu Ying was in America last year.
2. 表示过去经常或反复发生的动作，特别是used to do表达的句型，本身表示的就是过去常常。如：
When I was a kid, I often played football in the street.
She used to visit her mother once a week.
*注意区分sb. used to do sth.（某人过去常常做某事，此处to是动词不定式标志符号）和sb. be used to sth./doing sth.（某人习惯于某物/做某事，此处to是介词）。
3. 代替一般现在时，表示一种婉转、客气、礼貌、商量的语气。此用法仅适用于少数动词（如want, hope, wonder, think, intend等）及情态动词could, would。如：
I wondered if you could have a word with me.
I hoped you could help me with my English.
Would you mind my sitting here?
4. 虚拟语气中用一般过去时表示现在或将来时间的动作或状态。常用句型有：
It is time that sb. did sth. “某人该做某事了”
would rather sb. did sth. “宁愿某人做某事”
一般将来时标志：will / shall + 动词原形
1. 表示将来发生的动作或存在的状态，通常与表示将来的时间状语连用（e.g. tomorrow, next week, in the future等）。如：
We shall have a lot of rain next month.
My husband will come back in a few days.
2. 表示倾向性和习惯性：
Fish will die without water.
When it gets warmer, the snow will start to melt.
3. 一般将来时的几种句式结构辨析：
1) will / shall + 动词原形
多用于表达主观愿望或必定会发生的事情（“将会如何”）
*shall作助动词时一般只用于第一人
2) be going to + 动词原形
表示即将发生或打算要做的事：
It is going to rain.
We are going to have a meeting today.
3) be to + 动词原形
表示按计划或安排即将要发生的动作：
He is to visit Japan next year.
We are to discuss the report on Monday.
4) be about to + 动词原形
表示即将发生的动作，意为“马上要做某事”，后面一般不跟时间状语，如：
The plane is about to start.
Don’t worry. I am about to make a close examination on you.
现在进行时标志：be + 动词的现在分词
1. 表示说话时正在进行的动作：
She is writing a letter upstairs.
Who are you waiting for?
It is raining hard.
2. 表示现阶段一直在进行的动作（说话时动作未必正在进行）：
I hear Mr. Green is writing another novel.
3. 表示反复出现或习惯性的动作，往往包含说话者赞扬、责备、厌恶等情绪，通常与always, constantly, continually, forever等频度副词连用。如：
John is forever asking silly questions like a stupid.
He is always thinking of others first.
4. 表示将来
1) 表示按计划、安排将要发生的动作，仅适用于部分趋向动词（如go, come, leave, start, arrive等）。如：
Uncle Wang is coming.
They're leaving for Beijing.
2) 在时间和条件状语从句中，现在进行时表示将来某时正在发生的事情。如：
Please drop in when you are passing my way.
If he is still sleeping, don’t wake him up.
过去进行时标志：was / were + 动词的现在分词
1. 表示过去某一时刻或一段时间正在进行的动作，过去进行时中常用的时间状语有the whole morning, all day yesterday, from January to March last year等。如：
I was having a talk with Lucy at that time.
They were watching TV at home last night.
2. 表示过去反复出现或习惯性的动作，往往包含说话者赞扬、责备、厌恶等情绪，通常与always, constantly, continually, forever等频度副词连用。如：
My brother was always losing his keys.
3. 表示按计划、安排过去某时刻将要发生的动作，仅适用于部分趋向动词（如go, come, leave, start, arrive等）。如：
He said they were leaving for Beijing this afternoon.
4. 过去进行时有一个主要用法就是描述一件事情发生的背景（一个长动作延续的时候，另一个短动作发生）：
Granny fell asleep when she was reading.
It was raining when they left the station.
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