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注意2 since 引导的从只能用一般过去时,主句要用
现在完成时。如: We have been (be) friends ever since
we met (meet ) at school .
注意3
It’s the first / second time that I have been to a foreign country.
this evening .
2.The meeting begins (begin) at half past two
tomorrow afternoon .
3.What time do the shops open (open) ?
四、在时间、条件状语从句中,用一般现在时表示将要发 生的动作。
1.When he is (be)18 years old , he will join the
这个句型常用现在完成时。
注意5since 从句中的短暂性动词可翻译为“自从做某
事以来已经多久了”,但延续性动词则应译为 “不做某多久了”
你会翻译吗?
1.It’s a long time since he joined the army .
他参军已经很久了。(他还在部队) 2. It’s a long time since he was in the army .
seriously . 二、少数动词如 come , go , arrive , begin , leave , return , start , stay 等,可以用进行时(也可以用一般现在时)表示按计 划即将发生的动作。
1. I am leaving (leave) for Bejing tomorrow .
C. do you look ; have been cleaning
D. are you looking ; am cleaning
一般过去时
did ( didn’t do) 或 were ( weren’t) / was ( wasn’t)
记住常用的动词过去式和过去分词
一、只表示动作发生在过去,或过去常发生,与 现在无关。常与 yesterday , last week,two months /years ago 等连用。而现在完成时则强 调过去发生的事情对现在产生的结果或影响。
注意1
短暂性动词(如:come ,go ,return , die , join , marry , buy , leave, get, begin , catch , end , finish 等 )可以 用于完成时,但不能与for ,since 构成的短语连用。如: 不能说:She has come here for two hours . 只能说 :She has been here for two hours . 或者说 : She came here two hours ago .
1.So far, Crystal has hosted (host ) the show eight
times .
2.Wehave studied (study) English for seven years
(since 1999 ) .
3.Now I have finished(finish) my homework .
调油漆未干)
2. Jim has painted (paint) the door . (油漆可能已干了)
3. I have been waiting(wait) for him for an hour but he still
hasn’t come . 4. There he is ; I
have wai_t_e_d
三、用于计划、决定、时刻表、,句中常有时间状语,但仅用于少 数几个表示“移动”的动词:come , go , arrive , begin , leave , return , start , stop , open , close 等,可表示将要发生的动作。
1.The plane leaves (leave) for Paris at eight
army .
2. Take an umbrella in case it rains (rain)
tomorrow .
3.I won’t go to his party unless she sends (send )
an invitation.
现在进行时am / is / are doing 一、表示现在或现阶段正在进行的动作,常与now , at
2. Sally is staying (stay) in her aunt’s home when
she is in Britain .
三、常与always 连用,表示不满或赞扬。
1.She is always asking (ask) such silly
questions .
2. They are always helping(help) others.
( A)4.If you
him , please go to his home early .
A. will help B. helps C. help D. don’t help
( C )5. Why
tired ? I
the house the whole
morning .
A. are you ; have cleaned B. do you ; was cleaning
1.She has already come (come) here .
2. We have never been (be) in a palace .
3. He has gone (go) to Fuzhou .(去了还没回来) 4. He has been (be) to Fuzhou .(去过已经回来了)
should
had done
have done
will
would
have done
完 have
成
been had been
shall
have been
进
doing doing will doing
行 has
should have been
would doing
一般现在时do / does
一、表示现阶段经常性的动作/状态/特 征。
动词时态
各种时态一览表
现在时 过去时
将来时
过去将来时
一 do 般 does
Байду номын сангаасdid
will do
shall
should
do would
进 行
am is are
doing
was
shall doing will
be
were
should
doing
be doing
would
完 have
成
done has
shall
1. I have watched ( watch) the comedy before . 2. I watched (watch) the comedy last year.
二、用when / where / how 提出的疑问句及其答 语要用一般过去时。
A: Wow, What a big bag ! What have you bought
C. he comes
D . will he come
( A)3.The police
searching our neighbor’s house .
What do you suppose
?
A. are ; has happened B. is ; is happening
C. is ; would happen D. were ; did happen
. It’s years since they lived there .
A. Yes B. No
C. I’m not sure . D. Of course
( C )2.When
tomorrow , I will serve tea to him .
A. he will come
B. does he come
1. The director is (be) at home .
2. Our school has (have ) a big playground. 3. Billy Crystal often hosts (host) the Academy
Award. 4. She likes (like) stand-up comedy very much .
二、在时间 / 条件状语从句中,表示将来某时以 完成的动作。
I will go with you when I have washed the clothes .
(wash)
三、表示过去开始的动作持续到现在,也许还继续持续下去,常和 since ,for 表示一段时间的状语,或so far , now , recently ,latel 等词连用。
_k_e_e_p_s__(keep) a toothbrush in his pockets for good luck .
注意!
表示感觉、情感、心理状态的动词如smell , taste , sound ,look , feel , need hear ,like ,love, hate , know , want , wish , forget 等及be表示 “是”、have 表示“有”时,不能用于进行时。 不能说:
我爸爸在那家工厂工作有四年了。
现在完成进行时