強(qiáng)調(diào)句型的it和引導(dǎo)詞it有什么區(qū)別？

答 在強(qiáng)調(diào)句中，如果去掉It is （was）和that剩下的詞仍能重組成一個(gè)完整的句子。否則便是引導(dǎo)詞it的句型。

1. It was in the street that I saw Tom and Mary. （強(qiáng)調(diào)句）

2. It was this morning that I saw Tom and Mary. （強(qiáng)調(diào)句）

3. It is because he wants to improve his spoken English that he comes to oral class every day. （強(qiáng)調(diào)句）

4. It is natural that you dont understand it all. （引導(dǎo)詞）

5. It is a pity that she didnt pass the final exam. （引導(dǎo)詞）