动词的时态
备考要点：英语中常用的时态有12种。在英语（一）考试的词形填空题中，经常被测试的动词时态有：一般现在时、一般过去时、一般将来时、现在进行时、现在完成时、过去完成时，且题目中一般都有明显的时间暗示。

特别提示：
1）特殊记忆一些不规则动词的过去式和过去分词。
2）特殊记忆一些暗示一般现在时、一般过去时、现在完成时和过去完成时等时态的时间状语。具体如下：
1.一般现在时
1) 一般现在时常与often, always, usually, sometimes, everyday, once a week等时间状语连用。
2) 一般现在时表示客观事实或普遍真理。
3）第三人称单数作主语时，动词后要加-s
标志词：often, always, usually, every day, once a week
He takes a walk after supper every day.
How often do you wash your hair?

Sometimes information in the long-term memory is___ (be) hard to remember．(4B 2000 上 )
2.一般过去时
标志词：yesterday, last week, three years ago, in 1987
He lived in London when he was young.

In the l600’s，travelers from Europe_brought__ (bring) back diamonds from India．(6A 2000 上 )
3.一般将来时
Will (shall) + 动词原形
Am (is, are) going to +动词原形
Am (is, are) about to +动词原形
Am (is, are) to +动词原形
We’ll have to be careful in doing business with them.
4.现在进行时
Am (is, are) + doing
What are you doing?
I’m doing some washing.

5.现在完成时
1)现在完成时不能使用明确表示过去时间的状语，例如：yesterday, last week, in 1993等。
2)现在完成时可以和already, never, ever, not…yet等副词连用。@
3)现在完成时常和since引导的短语或从句，或由for引导的表一段时间的短语连用。
Have (has) + 过去分词
I haven’t seen her since 1991.

Have been sitting
Has’t paid
Had seen
Was making
Has been working
Am preparing
Has happened
The earth goes around the sun.
Water boils at 100 degrees.
He does’t take a walk after supper every day.
Does he take a walk after supper every day?
I am a teacher.
I am not a teacher.
Are you a teacher?
What’s your father?
What does your father do?
Be from com from
Where is your sister from?
Where does your sister come from?
It rains every Wednesday.
He goes to school by taxi every day.
How does he go to school every day.
What did you do 3 years ago?
Just now a moment ago
I received a gift just now.
He was a policeman a years ago.
Was were
Did
Say—said
Learn—learned/learnt
Read—read
Look—looked
Listen—listened
Speak—spoke

We will finish the course 3 weeks later.---in 3 weeks.
My mum will come to see me in 3 days.
My mum will come to see me within 3 days.
Will not=won’t
I won’t smoke.
I am having English class.
Look, they are playing the football.
Is your brother watching TV?
I am coming.
Go, come, arrive, leave, setoff,
She is leaving for HongKong.
I have had/kept the book for 3 weeks.
I have already learned 3000 words.
Have you ever been to SH?
I have never been there?