4.对由until引起的短语或从句强调，要注意否定前移，例如：
I didn‘t learn it until yesterday.
写成强调句型应该是：
It was not until yesterday that I learned it.
He didn’t come back until his wife fell asleep.
It was not until his wife fell asleep that he came
back.
注意：
it is he
who is late.
It is him
that was beaten in the game.
It is Tom
and Peter that are late.
It is I who
am wrong.
It is you
who are wrong.
It is three years since
she left.
It is for three
years that she has been waiting.
It is not long before
they got married.
It is in 1987 that
the factory was founded.
It is 1987 when
the factory was founded.
It was not for
several years that he had a chance of meeting her again.
强调句的特殊疑问形式
who broke the window?
Why are you late?
When will he come here?
Where did you find the key?
Who was it that broke the window?
Why is it that you are late?
Where was it that you found your key?
When is it that he will come?
Who was ____ that
stole the bike？
A．it B．that C．he D．this
此题应选A。这是强调句的特殊疑问句形式，做这类题考生最容易出错的在于不能识别这是强调句。比较：
a．It was Mary that said that．(对Mary提问)
→ Who was it that said that？
b． It was in 1949 that he joined the Party．(对 in 1949提问)
→ When was it that he joined the Party？
请做以下各题：
1．Who was it ____ put so many large stones on
the road？
A．this B．that C．he D．she
2．What was it ____ he lost on the bus the day
before yesterday？
A．this B．that C．what D．when
3．When was ____ that the general manager left
for Japan？
A．he B．it C．that D．since
4．Why was ____ that the old woman was sent to
prison？
A．he B．it C．that D．because
5．What a silly mistake it is ____ you've
made!
A．it B．this C．that D．which
在中学英语课本中还多次出现"What…be…"结构的句型(简称wh-type强调
句)，它同样具有很浓的强调意 味，例如：
What we need is more time.(SBI,P126)
我们需要更多的时间。
我们可以用对待It-type强调句的方法，把"What…be…"作为一个框架而划
去，所剩的也是一个完整的句子 ：We need more time.
不同的是，what和be在句子中都可以担任成份。上面这个句子可以看成是
What引导一个主语从句，而be则 是系动词，后接表语。
Wh-type强调句可用来强调主语、宾语、表语，例如：
But what surprised me most was to see some of the village people seated
on the benches at
the end of the room.(SBII,P166)
But what he was really interested in was beautiful paintings.(高中起始本SB, P170)
What I feel is hungry.
wh-type强调句还可以通过使用代动词do来强调句中的谓语动词或作宾语
补足语的非谓语动词，例如：
What I did was (to) turn off the tap.
What I want you to do is (to) clean the room. 我要你做的就是打扫房间。
注意，这一句型中be后面作表语的不定式可以省略to，如果所强调的动词
是进行体，那么be之后用-ing形
式和它相配，例如：
What I’m doing is teaching him a lesson.
Wh-type强调句中的what从句，间或也作表语，例如：
This was what they had posted on the bulletin board
then!
This was what the black smith was reading!
原来贴在布告牌上的就是这么回事！铁匠在看的原来就是这个！
Wh-type强调句的wh-从句，有时可能是以who,
where或when引起的，它们
通常只用作表语，例如：
The headmaster was who I meant. 我指的就是校长。
Here is where the accident took place. 这儿就是事故发生的地方。
(On) Saturday is when the housewives are busiest.
星期六是家庭主妇们最忙的日子。
另外也值得一提的是"A is A"这一结构的强调句型，这类句子的语势是很强
的，例如：
You are quite right. Teacher is teacher. 你说得完全对，老师毕竟是老师。
Business is business. One can‘t too particular. 公事公办，谁也不能特殊。
当名词前带有修饰语时，表语常含有"真正的"的意思，例如：
Spoken English is English. 英语口语才是真正的英语。
A friend in need is a friend indeed.(JBII,P5) 患难朋友才是真朋友。
这种句型中的A，如果是who, what, which,则具有"分辨出"的意思，常作
动词tell, know等动词的宾语，例 如：
The two brothers are so nearly alike that I can’t tell who is who.
这两兄弟长得太相象了，我简直区分不了。
He‘s very clear and knows what’s what. 他很聪明，懂得是非曲直。
(作者单位：惠水民族中学)
典型例题
1) It was last night
___ I see the comet.
A. the time B. when C. that D. which
2)It is ten years
___ Miss Green returned to Canada.
A. that B. when C. since D. as
3).-Where was it
___the road accident happened yesterday?
-In front of the market.
A. when B. that C. which D. how
4)__ that the trade between the two countries reached its highest
point.
A) During the 1960's B) It was in the 1960's
C) That it was in the 1960's D) It was the
1960's
5) It was the whole morning that the old man spent _____
the old clock at home.
A. repaired B. repairing C. to repair D. in repair
The old man spent the whole morning ____ the old clock at
home.
6) It was about 600 years ago ______ the first clock with
a face and an hour hand was made.
[97 年全国高考试题]
A. that B.
until C.
before D.
when
7)
____ that the trade between the two countries reached its highest point.
A) During the 1960's B) It was in the 1960's
C) That it was in the
1960's D) It was the 1960's
8) Where did you meet Alice？
It was in the cinema __ we used to go.
A.that B.where C.which D.how