1. 基本结构（It is + 强调部分 + that/who + 其他部分）
It is Tom that helped me.
是汤姆帮助了我。
解析： 强调 “Tom” 是帮助我的人。
It was yesterday that she called me.
是昨天她给我打了电话。
解析： 强调时间 “yesterday”。
2. 强调不同成分
强调主语：
It is my father who/that taught me to swim.
是我父亲教我游泳的。
强调宾语：
It is English that I like the most.
我最喜欢的是英语。
强调时间：
It was in 2020 that we met.
我们是在2020年见面的。
强调地点：
It was in London that they got married.
他们是在伦敦结婚的。
3. 强调句的否定与疑问形式
否定句：
It isn’t money that makes people truly happy.
让人真正快乐的并不是金钱。
疑问句：
Was it you that left the door open?
是你把门敞开的？
4. 强调句与普通句的转换
普通句：He met Mary at the station.
强调句：It was at the station that he met Mary.
普通句：She told me the truth.
强调句：It was the truth that she told me.
总结：
- It is/was + 强调部分 + that/who + 句子其他部分
- 可强调 主语、宾语、时间、地点
- 可用于 否定句、疑问句
1. 基本结构（It is + 强调部分 + that/who + 其他部分）
It is Tom that helped me.
是汤姆帮助了我。
解析： 强调 “Tom” 是帮助我的人。
It was yesterday that she called me.
是昨天她给我打了电话。
解析： 强调时间 “yesterday”。
2. 强调不同成分
强调主语：
It is my father who/that taught me to swim.
是我父亲教我游泳的。
强调宾语：
It is English that I like the most.
我最喜欢的是英语。
强调时间：
It was in 2020 that we met.
我们是在2020年见面的。
强调地点：
It was in London that they got married.
他们是在伦敦结婚的。
3. 强调句的否定与疑问形式
否定句：
It isn’t money that makes people truly happy.
让人真正快乐的并不是金钱。
疑问句：
Was it you that left the door open?
是你把门敞开的？
4. 强调句与普通句的转换
普通句：He met Mary at the station.
强调句：It was at the station that he met Mary.
普通句：She told me the truth.
强调句：It was the truth that she told me.
总结：
- It is/was + 强调部分 + that/who + 句子其他部分
- 可强调 主语、宾语、时间、地点
- 可用于 否定句、疑问句
