be是什么梗-六级查询时间
初三语法专项训练:现在完成时用法小结
现在完成时的构成:助动词have(has)+ 过去分词,
1.表示过去发生或完成的某一动作对现在造成的影响或结果。例如:
I have
just cleaned my clothes. 我刚洗过衣服。
(“洗衣服”是发生在过去的动作,对现在造成的结果是“衣服干净了”)
现在完成时常用的时间状语有: already (”已经” 用于肯定句的中间和末尾处)
never (“从不” 用于中间处)
ever (”曾经”
用于疑问句和肯定句的中间处)
just (“刚刚” 用于中间处)
yet
(“已经” 用于疑问句的末尾处 “还” 用于否定句的末尾处)
或不加任何的时间状语,但不能和表示过去的时间状语连用.
现在完成时与一般过去时的用法比较
现在完成时表示过去的动作一直延续到现在甚至会继续下
去或表示过去的动作对现在造成的影响;一般过
去时表示动作发生的时间在过去。试比较:
The plane has arrived . 飞机已经来了。(说明现在的情况:飞机在这儿)
The plane arrived a quarter ago.
飞机是一刻中以前来的。(强调动作发生的时间在过去)
I have taught here
for fifteen years.
我在这儿已经教了十五年。(表示十五年前的动作一直延续到现在,还可能会继续。)
I
taught here for a year.
我过去在这儿教过一年。(表示“我“现在已经不在这儿任教了)
练习:
I.翻译下列句子:
1. 你曾经吃过鱼和薯条吗?
2.
我刚刚丢了我的化学书。
3. 我以前从来没去过那个农场。
4.
他已经吃过午饭了。
5. 你已经看过这部电影了吗?
6.
我哥哥还没回来。
7. 我上星期看过这部电影。
8.
在1992年他住在这里。
II. 用过去时或现在完成时填空:
1.
“_________ you __________ (have) lunch ?”
“Yes.”
“When ________ you __________ (have)
it?” “I ____________ (have) it at 12:00.”
2.
“_________ you __________ (write) a letter to your
aunt yet?”
“Yes, I ___________. I
________________ (write) one last week.”
3.
“_________ he ___________ (finish) his homework?”
“Not yet.”
4. “_________ they ever __________
(be) abroad?” “Yes, just once.”
5. Your father _________ just
___________ (finish) his work.
6. Your father
_________ (finish) his work just now.
7. Last
term I __________ (learn) many English words.
8. They ____________ (not read) the
interesting books yet.
9. He _____________
never ____________ (go) to the science museum.
10. ____________ you ever ____________ (drink)
coke?
11. “____________ you _____________
(buy) a dictionary? “ “Yes, I __________ .”
“Where __________ you _____________ (buy) it?” “
I ___________ (buy) it in a bookstore.”
“When ___________ you _____________ (buy) it?” “
Yesterday.”
Since 和 for 的用法
表示过去已经开始持续到现在的动作或状态常用的时间状语有:for, since, how
long, so far, these days等。
Since+过去点的时间,for+一段时间(数词+量词),此划线部分用how long提问。
一、since短语或从句表示过去的动作延续至今,since之后的时间为一点。 如:
Mr. Smith has worked here since 1984.
1984年以来,史密斯先生一直在这工作。
He’s learned about 5,000
English words since he went to college.
他上大学以来大约学了五千个英语单词。
二、for短语表示动作延续多长时间,for的宾语为时间段。 如:
We have
known each other for twenty years. 我们认识有二十年了。
I haven’t seen her for a long time. 我好久没有见到她了。
练习:用since和for填空
1) ______ two years
2) _______ two years ago 3) _______ last month
4) ______ 1999 5) _______ yesterday 6)
_______ 4 o’clock
7) ______ 4 hours 8)
_______ an hour ago 9) _______ we were children
10) _____ lunch time 11) ______ she left
here
1. He has lived in Nanjing ________
the year before last.
2. I’ve known him
__________ we were children.
3. Our teacher
has studied Japanese _________ three years.
4.
She has been away from the city ___________ about
ten years.
5. It’s about ten years __________
she left the city.
2.短暂性转换延续性
①arrive
atin sw. get toreach sw. comegomove to sw.
→
be in schoolat homeon the farmbe herebe there
1) He got to Beijing five minutes ago.
He
________ _________ _________ Beijing for _________
_________.
2) I moved to the USA last year.
I ________ ________ __________ the USA since
__________ __________.
3) I went home
yesterday.
I _______ ________ _________ home
for _________ __________.
4) They came here
last week.
They _________ _________ here since
_________ __________.
②comego back, return →
be back
comego out → be out
1) He came out two years ago.
He _________ __________ _________ for
__________ __________.
2) We return to Fuzhou
yesterday.
We ________ ________ _________ to
Fuzhou since __________.
③become → be
1) I
became a teacher in 2000.
I ________
__________ a teacher for _________ _________.
2) The river became dirty last year.
The
river _________ _________ dirty for _________
__________.
④close → be closed open → be open
1) The shop closed two hours ago.
The shop
________ _________ _________ for _________
_________.
2) The door opened at six in the
morning.
The door ________ ________ ________
for six hours.
⑤get up → be up die → be dead
leave sw. → be away from sw.
fall
asleepget tot sleep → be asleep
finishend →
be over marry → be married
1) I got up two
hours ago.
I ________ ________ ________ since
________ ________.
2) He left Fuzhou just now.
He _______ ________ ________ _________ Fuzhou
for five minutes.
3) My grandpa died in 2018.
My grandpa _______ _______ ________for _______
________.
4) The meeting finished at six.
The meeting ________ ______ ______ for six
hours.
5) I got to sleep two hours ago.
I
________ _________ _________ since _________
__________.
6) They married in 1990.
They
________ _________ __________since _________.
⑥startbegin to do sth. → do sth. begin → be
on
1) I began to teach at this school in 1995.
I ____ ____ at this school since ____.
2)
The film began two minutes ago.
The film ____
____ ____ for ____ ____.
⑦borrow → keep
lose → not have buy → have put on → wear
catchget a cold → have a cold get to know →
know
1) They borrowed it last week.
They
_________ _________ it since __________
__________.
2) I bought a pen two hours ago.
I _________ _________ a pen for ________
__________.
3) I got to know him last year.
I _________ __________ him since __________
__________.
4) I put on my glasses three years
ago.
I __________ __________ my glasses for
_________ _________.
⑧havehas gone to → have
been in
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