初中英语八大时态知识梳理
一、一般现在时：
基本结构：①动词原形②主语三单：动词原形+s/es
三种常考基本用法：
1．经常性和习惯性动作： I always get up early.
2．客观事实和普遍真理： The earth goes around the sun.
3．在时间状语从句及条件状语从句中，一般现在表将来：
If it doesn't rain, we will have a picnic.
I’ll call you when I arrive at the airport.
该用法遵循"主将从现"的原则。
常见时间状语：always, usually, often, sometimes, every day, on Sundays, at weekends, once a week, twice a month, etc.
二、一般过去时：
基本结构：动词的过去式
基本用法：
1、过去某个时间里发生的动作或状态
e.g. I got up late yesterday.
2、过去习惯性、经常性的动作
Eg. When I was in the countryside, I often swam in the river.
常见时间状语：ago, yesterday, the day before yesterday, last week (year, night, month…), in 1986, just now, at the age of 10, at that time, once upon a time, etc.
三、一般将来时：
基本结构：①am/is/are/going to + do;②will/sha ll + do.
基本用法：
am/is/are/going to + do
1、(人)计划打算做某事
Eg. I'm going to go shopping with my mom tomorrow.
2、(事)即将发生
Eg. Look at the clouds, it's going to rain.
will/shall do
1、将来的动作和状态(相对较长远)
Eg. You'll have your own house in the future.
2、礼貌询问、客气邀请
Eg. Will you go with me?
3、意愿
Eg. I will do it for you.
常见时间状语：tomorrow, next day (week, month, year…), soon, the day after tomorrow, in+时间段(格外注意)，etc.
四、现在进行时：基本结构：am/is/are+现在分词
基本用法：1、此时此刻正在进行的动作
Eg. I am writing a letter now.
2、现阶段正在进行的动作
Eg. I am reading a book these days.
常见时间状语：now, at this time, these days, etc.
五、过去进行时：
基本结构：was/were+现在分词
基本用法：1、过去某时刻正在进行的动作
Eg. He was playing computer games when his father came home.
2、过去某时段正在进行的动作
Eg. He was doing his homework while his mother was cooking.
常见时间状语：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。
六、过去将来时：
基本结构：①was/were/going to + do;②would/should + do.
基本用法：从过去时间点看将来，常用于宾语从句中。
Eg. He said that he would marry her.
常见时间状语：the next day (morning, year…), the following month (week…), etc.
七、现在完成时：
基本结构：have/has + 过去分词
基本用法：
1.过去发生的动作对现在造成的影响或结果（已经完成的动作，但动作造成
的影响还在），常被just,already,yet 等副词修饰。
如：He has already gone to Tianjin.（对现在造成的影响是他已经不在这儿了）。
2.现在完成时还可用来表示过去发生的动作一直延续到现在，常带有for
或since等表示一段时间的状语。如：Mr Wang has lived here since 1983.
3.表示说话前发生过一次或多次的动作，我们常用"过"来表示，常带有
twice, once, ever, never等时间状语。如：I've never seen that film.
常见时间状语：recently, lately, so far, up to now, since+时间点，for+时间段, in the past few years, etc.
八、过去完成时：
基本结构：had + 过去分词
