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 强调句型讲解与练习
一、 强调句型练习
强调句型为：It was / is ……..that（who）……
（一）、被强调部分是主语、宾语、时间状语、地点状语、可以有创新内容。
1、 用介词短语达到创新
It was in this way  that he worked out this problem 。
It was through this telescope  that he observed the sky 。
2、 用 not until 复杂结构作为被强调部分
It was not until she took off her dark glasses  that I realized she was a film star 。
It was not until 1920  that regular radio broadcasts began 。
    3、以时间状语、原因状语为强调部分
       It was only when I reread his poems recently  that I began to appreciate their      beauty 。
       It was because he was busy  that he didn’t come to see me.
    4、以 not only……but also ………../ either………or…………/ neither…..nor……/ as well as……..等连词短语为强调部分
       It is not only he but also his parents that have been to Beijing。
       It is nobody but you that knows it。
    5、以被强调部分后接定语从句的形式总加结构的复杂性，达到创新的目的。
       It was on October 1st 1949 when he joined the party that he was killed。
       It was in the room where he had studied three years that he found his lost pen 。
  （二）、对动词的形式创新
       强调句型的谓语动词是is、was ，但也可以在其前边加上 may、might、must等表推测的情态动词。
       It might be in this room that he met her。
       It may be tomorrow that he will got Beijing 。
   （三）、句型转换达到创新
1． 转换成一般疑问句来达到目的
Was it in the classroom that he found his lost book？
Could it be yesterday that he was late for school ？
2． 转换成特殊疑问句来达到目的
Who was it that helped you with your English ？
Where could it be that he met her ？
3． 转换成否定句来达到目的
It was not yesterday that this shop was robbed 。
It can’t be li ping that has stolen her pen。
4． 转换成否定疑问句来达到目的
Wasn’t it I that sent for a doctor for you ?
Could’t it be in this way that he did it ?
Exercise:
1. Was it during the second world war ______ he died ?
A, that    B,  while  C,  in which   D,  then
2. Was it in this place ______ the last emperor died ?
A, that    B, in which    C, where    D,which
3. He wants to know if it is 600 miles an hour _____ the newest plane can go .
A, which  B,  that  C, when   D, how
4. It is ____ who _____ wrong.
A,  me, are     B, me , is   C, I ,am   D,  I ,is
     5, It was ______ late in the evening that her husband arrived home.
        A,  after      B, when   C, till    D, not until
     6, ---Were all three people in the car injured in the accident?
       --- No ,_____ only the two passengers who got hurt.
        A. it was    B, there was    C, they were     D, there were
     7. The hostess told us it was_____ that caused her to serve dinner an hour later than usual.
    A, we being late  B, our being late  C, we were too late  D, because we were late
     8. _____ electricity plays such an important part in our daily life ?
       A, why was it that      B,   why is it that      
      C, Why is it         D,  why it is that
9. _____ he made up his mind to take a trip to Europe .
A, When was it that         B,  That was it when
C, That it was when          D, When it was that
10. It is the second time that he has been to Nanjing , ______?
A, isn’t he     B, isn’t it   C,  hasn’t he   D, hasn’t it
11. It was a long time _____ that Dr.Wang left his family for France..
A, since     B,  before     C, after    D, ago
12. ____ you met the Englishman ?
A, where it was that       B,  Who it was that
C, Where was it that       D,  Where was that
                            1----5 AABCD     6-----12 CBBABDC
（四）、和其他三种句型的区别
    （1） it be ……since……….表示“一段时间”，用来交代“自…….开始（结束），已是……时间了”
    It is / has been  一段时间  since  sb。did sth。
    It was 一段时间  since  sb had done sth
     （2）it be ……….before……….意为“过了一段时间………..才”
    It is （will be ）一段时间 ( long, years , months) before sb do （does） sth
    It was （would be）一段时间 before sb did sth。
      Eg： It will be more than 100 years before the country begins once again to look as it did before。
           It was not long before he worked out the problem 。
      （3） it be  时间点 when …………  
     eg： It was midnight when he came back。
          It was 1919 when the May 4th movement took place。
       区别： It was at seven clock that we got up
Exercise
1， it is a long time _____ I last visited Beijing.
2， It will not be long ____ he can return from abroad..
3， It was already eight o’clock ____ we reached Hong Kong.
4， It was last year ____ we saw the scientific film.
a. until    b, before    c/ when   d/ since   e/  after  f/  that
5. how long ____ we do the next experiment ?
A,is it before   b/ will it be that    c/ is it after   d/  will it before
6. it has been several days ____ he left his hometown for Xian
a/ before  b/ since   c/ that    d/ when
7. it was during the first world war ____ Einstein lost interest in his research work.
A/ that    b/ when    c/ before   d/ since .
8. it was the next morning_____ we found the lost boy.
A/ since     b/ before   c/ when    d/  on which
9. --- What was the party like?
--- Wonderfull ! It ‘s years ______ I enjoyed myself so much .
A/ after   b/ before     c/ when     d/ since
10 It was nearly lunch time  _____  Henry began to feel hungry.
A/ that    b/ when    c / before    d/ when
1---4 DBCF    5---10 DBACDb

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