强调句
1， 出于对语法上，或者是意义上的需要进行的必要的强调的句子：通常强调的是主语，宾语，状语，不能强调谓语，定语和状语 ，通常用it is/was that/who ….
He didn't do his homework until his mother came back 直到他母亲回来他才写作业。
强调主语：
It was he who didn't do his homework until his mother came back
强调宾语：
It was his homework that he didn't do until his mother came back
强调状语：
It was not until his mother came back that he did his homework
时态的运用：通常是与主句的时态一致，
He likes riding bikes 他喜欢骑单车
It is he who likes riding bikes （强调句）
Tom gave me the pen？（表示猜测，通常在口语中）
It must have been Tom who gave me the pen
人称和数：
He likes riding bikes 他喜欢骑单车
It is he who likes riding bikes
疑问句中的强调句：
Is it the book that you give me ？
You give me the book 你给我这本书
疑问词 is/was it that 其他部分（只能强调疑问词）
Where is it that you find the book？
强调句和从句的区别：
It is important that Every one should read books every day 每个人每天都应该读书是很重要的。（主语从句）
It is at eight o'clock that he gets up （强调句）
当强调部分删除，句子也是很完整的。
What 开头的强调句：
What I can do now is to study English 我现在能做的就是学习英语
Do/does 加动词原形的强调句
He does love English 他确实很喜欢英语
He did love English 他以前确实很喜欢英语
疑问词 ever 的强调句：（强调它本身）
Whenever can we play games 我们什么时候能玩游戏
倒装句中的强调
Only in the way can we see the result 我们只能用这个方式才能看到结果
其他形式的倒装句：
What on earth is the most beautiful 究竟什么是最美丽的？
What in the world is the most beautiful 世界上最美丽的是什么？
有不定代词修饰的，强调句：
He is the only person who is from Japan 他是唯一一个来自日本的人
At all 做的强调句， 通常是否定形式
I don't like apples at all 我根本不喜欢苹果
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