高三英语语法---强调句讲解。
考向一强调句型的基本结构。
强调句型it is / was + 被强调的成份 + that + 其他成份；用来强调主语、宾语和状语等成份。that只起连接作用，不作成分，但不能省略。有时强调的部分比较特殊，如主语从句、状语从句、名词、不定式短语、v-ing的复合结构等。
如：it was in the library that i saw her yesterday. 我昨天正是在图书馆见到她的。
1.(2018天津卷单项填空)it was only when the car pulled up in front of our house___we saw lily in the passenger seat.
a. which b. that
c. when d. where
查看答案】答案】b
解析】考查强调句。句意：只有当汽车在我们房子前停下来我们才看到在乘客位置的莉莉。
这里考查强调句，强调句型结构为：it is/ was + 被强调部分(通常是主语、宾语或状语)+ that/ who(当强调主语且主语指人)+ 其他部分。本题强调时间状语only when the car pulled up in front of our house。
故选b。
2.(2016天津卷单项填空)you are waiting at a wrong place. it is at the hotel __the coach picks up tourists.
a. who b. which
c. where d. that
查看答案】答案】d
解析】句意：你在一个错误的地方等待。大客车是在旅店接送游客的。
本题考查强调句，强调句型结构是：it is/was+强调部分+that+其余部分，如果强调部分是人，也可以用who，这句话强调的是地点状语at the hotel。故选d。
3. it was the culture, rather than the language, _made it hard for him to adapt to the new environment abroad
a. where b. why
c. that d. what
查看答案】答案】c
解析】这个句子中含有it was，首先要考虑所给题目是不是一个强调句。把it was和横线去掉，发现句意仍然完整清楚，所以说这里就是一个强调句。强调句的基本结构是it is / was + 被强调部分 + that + 句子的其他成分，所以用that，所以选c。
句意：是文化，而不是语言，使得他很难适应国外的新的环境。
考向二特殊句式中的强调句型。
1. 如果强调的是特殊疑问句中的疑问词，表示到底、究竟等语气时，就用如下结构：
特殊疑问词 + is / was + it + that + 该句的其余部分。如：
how is it that you usually go to work? 你通常是怎样去上班的？
2. 在强调not...until结构中由until所引导的短语(或从句)作时间状语时，要用固定的强调句型：
it + is / was + not until...that + 该句的其余部分，that所引导的从句中的谓语动词用肯定式。如：
his father didn’t come back from work until 12o’clock. =it was not until 12 o’clock that his father came home form work.
直到12点他的爸爸才下班回家。
1. bach died in 1750, but it was not until the early 19th century___his musical gift was fully recognized.
a. while b. though
c. that d. after
查看答案】答案】c
解析】句意：马赫死于2024年，但直到19世纪他的**天赋才被承认。强调句与not until 连用。it be not until that … 故选c项。
it because jack came late for school___mr. smith got angry?
a. why b. who
c. where d. that
查看答案】答案】d
解析】a为什么；b谁；c哪儿；d那个。通过翻译可知本句话意思完整，不缺少成分，由此判断该句是强调句型，被强调部分是because引导的状语从句，故答案选d。句意：
是因为杰克上学迟到史密斯先生才生气的吗？
考向三强调句型与时间状语从句、定语从句的判断。
强调句型要注意和it代表时间、距离、温度、自然现象、具体事物或人物等时所构成的各种句型的区别。试比较：
it was on march 1 that i had my hair cut. (强调句)
it was march 1 when i had my hair cut. (后面是定语从句)
判断是否是强调句，可采用还原法。如果还原为一般句式后，句子各种成份完整，则是强调句。否则不是。如第一句可还原成：i had my hair cut on march 1.
题组一能力过关。
i. 单项填空。
1. it’s not doing the things we like, but liking the things we h**e to do __makes life happy.
a. that b. which
c. what d. who
查看答案】答案】a
解析】考查强调句结构用法。强调句型：it is/ was + 被强调部分(通常是主语、宾语或状语)+ that/ who(当强调主语且主语指人)+ 其他部分。
本题强调主语not doing the things we like, but liking the things we h**e to do。句意：是做我们喜欢做的事情，而不是喜欢我们不得不做的事情让生活幸福。
故a正确。
2. it was with the help of the local guide___the mountain climber was rescued.
a. who b. that
c．when d. how
查看答案】答案】b
解析】考查强调句型。由于被强调的是with the help of the local guide，而并非guide, 所以用that来连接。
3. it was only after he had read the *****s___mr. gross realized the task before him was extremely difficult to complete.
a. when b. that
c. which d. what
查看答案】答案】b
解析】考查强调句型。句意：只有在读了这些文件后，格罗斯先生才认识到他面临着的任务很难完成。
此句是对only引导的时间状语从句的强调。省略了it was…that之后，句子结构完整。
4. it was not until near the end of the letter___she mentioned her own plan.
a. that b. where
c. why d. when
查看答案】答案】a
解析】考查强调句型。根据固定句型it was not until … that… 直到……才，得出答案为that。句意：直到在信的结尾她才提到了她的计划。
6. it was ten o’clock___he came back home.
a. when b. that
c. since d. after
查看答案】答案】a
解析】when 表示＂当……的时候＂，句首的 it 表示时间，全句意为＂当他回到家时，时间是10点钟。＂
7. it was not until he came back___he knew the police were looking for him.
a. which b. since
c. that d. before
查看答案】答案】c
解析】为 he didn’t know the police were looking for him until he came back 之强调形式。注意，not … until … 的强调句式通常为 it was not until … that … 的形式。
8. ＂was it under the tree___you were away talking to a friend?＂ sure.
but when i got back there, the bike was gone.
a. that b. where
c. which d. while
查看答案】答案】d
解析】此题很容易误选a，认为这是强调句型。其实此题应选d。做好此题的关键是正确理解上下文的语境。
在此句中，it 是代词，指代 the bike，句意为：＂当你离开去同朋友谈话的时候，你的自行车是在这树下吗？＂＂当然，但当我回来时，自行车就不见了。
＂现在反过来分析一下，假若选a，将此句判为强调句，句子即为 was it under the tree that you were away talking to a friend ? 若进一步转换为非强调句，句子则为 under the tree while you were talking to a friend，句意显然很荒唐。
9. it’s more than half a century___my grandfather joined the party and became a servant to the people.
a. when b. that
c. since d. while
查看答案】
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