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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