参考：无忧英语51talk梁颖老师的超实用语法20讲在线课程第20课
lesson 20强调结构
1.强调句型
I love you.
it is/was +被强调部分+that+剩余部分
it is you that I love.强调宾语
I met my beloved one in the corner of my study room last week.
强调主语
it was I that (who) met my beloved one in the corner of my study room last week.
强调宾语
It was my beloved one that I met in the corner of my study room last week.
强调时间
It was last week that I met my beloved one in the corner of my study room.
强调地点
It was in the corner of my study room that I met my beloved one last week.
强调句型可以强调的主、宾、表、状
强调句型的一般疑问: is/was it ---that---
they were both born in 1970.
It was in 1970 that they were both born.
was it in 1970 that they were both born?
it is xiaoxuan that teachs grammar very well.
is it xiaoxuan that teachs grammar very well?
it is the movie that you like.
is it the movie that you like?
强调结构的特殊疑问：W词+is/was it that--
who/what/which/when/where/why/how
where does he come from?
where is it that he comes from?
who knocked at the window?
who was it that knocked at the window?
when did you call me?
when was it that you called me?
how did you finished the task?
how was it that you finished the task?
2.强调动词
强调动词，用助动词
I love you.
I do love you.
I did finish my homework.
she did get to Hongkong before.
3.the very/the just /the only /at all表强调
this is the very bed that I want to buy.
this is the just book that I want to buy.
4.on earth/in the world/ever
what on earth are you doing?
how in the world did she manage that?
when ever did you lose it?
5.so表示强调
you were invited to the party , weren't you?
So I was.
is this the just book you have been looking for?
so it is.
is this the band that you have adored for a long time?
so it is .
6.强调句VS其他从句
it was in 1851 that the first world expo was held.
it was 1851 when the first world expo was held.
it was in shanghai that the world expo was held.
it was shanghai where the world expo was held.
练习：
判断主语从句或强调句
主语从句it is known to all that beijing is the capital of china.
强调句it is in this city that millions of younsters are chasing their dreams.
主语从句it is obvious that having a dream is much easier that achieving it.
it was because of bad whether that the football match had to be put off.
it was on April 19.2011 that Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.