EmphaticSentence
”But, Ned, you are a whale catcher, familiar with all the great animals of the sea. How is it that you can doubt the existence of such an animal?”
EmphaticSentence
I wonder if it’s because I haven’t been able to be outdoors for so long that I’ve grown so crazy about everything to do with nature.
1. 陈述句的强调 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。
例子 It was yesterday that he met Li Ping. He met Li Ping (yesterday)强调部分
强调他昨天遇见的人就是李平
It was Li Ping that/who he met yesterday. 强调宾语人
强调就他遇到李平
It was he that/who met Li Ping yesterday.
2. 一般疑问句的强调句型
同上，只是把 is/ was 提到 it 前面。
例子 Was it yesterday that he met Li Ping?
3. 特殊疑问句的强调句型
被强调部分（通常是疑问代词或疑问副词）+ is/ was + it + that/ who + 其他部分？
例子 When and where was it that you were born?
A. 句型为：It is/ was not until + 被强调部分 + that + 其他部分
普通句：He didn’t go to bed until/ till his wife came back.
强调句：It was not until his wife came back that he went to bed.
5、强调句的常见句式变化
⑴ 强调句型的疑问结构
一般疑问句：Is/Was it that …?
特殊疑问句：特殊疑问词+is/was it that …?
Was it her that you were talking about?
Was it last year that you got the scholarship?
Where was it that you saw the man?
Who was it that you want to see?
How is it that your answer differs from his ?
= How do your answer differ from his?
What is it that you want me to say?
⑵“被强调的成分”如果是状语，且主句又为否定句时，通常发生“否定的转移”。如：
- I did not see my mother again until last year.
→ It was not until last year that I saw my mother again.
- He did not feel happy until he saw her.
→ It was not until he saw her that he felt happy.
- I did not have an opportunity of seeing them again for several years.
→ It was not for several years that I had an opportunity of seeing them again.
- I did not do it for myself.
→ It was not for myself that I did it.