强调句。
一、对谓语动词的强调。
do/does/did + v”表示“一定，务必”，“确定，肯定”。
1) do be careful when crossing the street.
2) they did come to see you yesterday, but failed to meet you.
3) he does look well. 他的确看起来气色很好。
二、 it 强调句型。
1.基本结构： it is/was+被强调部分+that +其他部分，强调人时可换用 who/whom
强调主语： tom and mark often come to see me.
强调宾语： you met me yesterday.
强调状语： they set out the day before yesterday.（时间）
we put off the sports meet because of the rain.（原因）
[强调句操练] i met tom in the street yesterday.
2.◆ 检验是否为强调句的方法：将it is/was…that...省略后句子仍是完整的，即为强调句，否则就不是。
a .it was in 1937 that i first met chairman mao. (强调句)
b .it was 1937 when i first met chairman mao. (定语从句，1937先行词)
3.对not ..until ..结构的强调。
1)i didn’t go to bed until my father came back last night.
it was not until my father came back that i went to bed yesterday.
4.强调句的一般疑问和特殊疑问句。
1)一般疑问句：is/was + it + 被强调部分 + that + 其他部分？
it was in 1939 that the second war broke out.（一般疑问句）
2)特殊疑问句：特殊疑问词+ is/was + it +that+其他部分？
who was it that broke the window?
强调句特殊疑问句用于宾词性从句中要用陈述句语序。
i don’t know who it was that broke the window. (陈述句语序)
5.情态动词在强调句中的运用：
it might be ..that ..和it must h**e been...that...的句型。
（1）it might be his father that you are looking for.
（2）it must h**e been his brother that you met.
（3）一般疑问： 情态动词+ it be +被强调部分+ that +其他。
might it be in the office that she left her keys?
（4）特殊疑问： 特殊疑问词+情态动词+ it be + that +其他部分。
where might it be that the accident happened?
6.强调句中的主谓一致问题。
被强调部分如果是原句的主语，who或that后面谓语的人称和数应和原句的主语一致。
①it is mary and tom who often __do/does) good deeds.
②it was the driver rather than the two old mento blame for the accident.
a. is b. that is c. are d. who are
应该为这起事故负责的是司机而不是这两位老人。
7.与强调句易混的几个句型。
it is/has been + 时间段 + since … 自……已多久了。在这个句型中，主句通常用一般现在时，since从句用过去时，表示一个时间点。
it is/has been five months since i arrived in new york.
我到纽约已经五个月了。
it is + 时间段+ before...主句的时态多用一般将来时或一般过去时，从句的时态要根据主句的时态进行变化。before前的主句如果是肯定的，翻译成“在……之后才……”主句如果是否定的，翻译成“不久就……”
it was long before he g**e an answer. 过了好久他才答复我。
it was not long before he worked out the difficult maths problem.
不一会儿他就把那道数学题解出来了。
it will be years before he comes back. 过几年他才回来。
it is/was+时间点+when从句在。时做某事。
it was five o’clockwhen he came to see me.
it is +adj. +that 从句
it is clear that not all boys like football.
典型例题】1.（05天津） it is what you do rather than what you say __matters.
b. what d. this
2.（05安徽）that was really a splendid evening. it’s years __i enjoyed myself so much.
b. that
3.（08重庆）it was not until midnightthey reached the camp site.
a. that d. as
4. (06辽宁）it was after he got what he had desired __he realized it was not so important.
d. as5.08全国ii）it was in newzealand __elizabeth first met mr. smith.
a. that d. when
6.（06山东）i just wonder __that makes him so excited.
a. why it does b. what he does c. how it is d. what it is
8.（06全国卷二）it was not until she got home __jennifer realized she had lost her keys.
a. when b. that
9.（07山东）--where did you get to know her?
---it was on the farm __we worked.
a．that b．there c．which d．where
was twenty miles from our city to the village __the accident happened.
a. that c. then
11.（04北京）the foreign minister said, “our hope that the two sides will work towards peace.”
a. this is b. there is c. that is d. it is
12.（06浙江）__is our belief that improvements in health care will lead to a stronger, more prosperous economy
a. as b. that c. this
实战演练】用强调句型it is/ was… that/ who强调划线部分。
1. she didn’t know her mother was ill in bed until she came home from work.
2. did his father die during the second world war?
3. who broke the window?
4. how did you succeed?
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