强调句是高中英语学习过程中常见的一种句型，也是英语学习的重点、难点。强调句是用来表示强调说话人的意愿和情感。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 …
1.强调主语
It was he who didn’t do his homework until his mother came back
2.强调宾语
It was his homework that he didn’t do until his mother came back
3.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
3.人称和数
He likes riding bikes 他喜欢骑单车
4.疑问句中的强调句
Is it the book that you give me ？你给我这本书
疑问词+ is/was+ it + that+其他部分（只能强调疑问词）
