1、 一般现在时
（1） 表示经常发生的动作或现在存在的状态，常与sometimes， always， often， every day等时间状语连用。如：He is often late for school.
She usually goes to work on foot.
（2） 表示客观真理、科学事实等。
如：The earth goes round the sun
2、 现在进行时
(1) 表示说话时或现阶段正在进行的动作，常与now， at present等时间状语连用。
如：What are you doing now？teacheray.com
也可用look、listen 等词提示 Look！ The boy is playing basketball.
(2) 和always， continually等连用，表一种经常反复的动作，常含有某种情感。
如：He is always doing good deeds.
3、 现在完成时
主要表示动作发生在过去，对现在仍有影响，或动作一直延续到现在，或可能还要继续下去，常与just， already， so far， once， never 等词连用。
如： I have already finished my work .
He hasn’t found out who broke the door .
4、一般将来时
表示将来某一时间要发生的动作或存在的状态，常与tomorrow， next year等连用。
shall / will + 动词原形
am / is / are going to + 动词原形
am / is / are to + 动词原形
am / is / are about to + 动词原形
am / is / are + 动词－ing tomorrow、next week、in an hour、the day after tomorrow 等
He will go to Shanghai next week.
We’re going to see a film next Monday.
They are to see a film in a hour.
She is about to mend the bike later.
5、一般过去时
表示在过去某一时间或某一阶段内发生的动作或存在的状态，yesterday、last week、three days ago、before、 the day before yesterday 等
如 I finished my homework yesterday.
6、过去进行时
过去某个时刻正在进行的动作was / were + 动词现在分词 at six yesterday morning、this time yesterday、也可用when等引导的从句
如 I was sleeping at 11 last night .
7、 过去完成时
表示在过去某一时间或动作之前已经发生或完成了的动作。常与by the end of last month、when、before等引导的从句连用
如： I had seen the film when I was in college.
The meeting had begun before we arrived .
８、过去将来时
过去将来时 从过去某个时间看将来发生的动作 should / would + 动词原形
was / were going to ＋动词原形
was / were to + 动词原形
was / were about to + 动词原形
was / were + 动词－ing 通常在宾语从句中出现
如He said (that) he would go to Kunming the next day .
She told me (that) she was moving to France in two days .
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