当然知道。英语中的强调句是一种常见的句式，用于强调句子的某个部分，如主语、谓语或宾语等。以下是英语强调句的十种常见结构：

1. It is/was + 被强调部分 + that/who + 句子的其他部分。

例如：It was this book that/which I bought yesterday.

2. It is/was + 被强调部分 + who/that + 句子的其他部分。

例如：It was her that/who I met yesterday.

3. It is/was + 被强调部分 + who/that + 句子的其他部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read.

4. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting.

5. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who + 被强调部分。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting that/who I like.

6. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who + 被强调部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting that/who I like that/who I want to recommend to my friends.

7. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting that/who I like that/who I want to recommend to my friends that/who I believe will be beneficial to them.

8. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting that/who I like that/who I want to recommend to my friends that/who I believe will be beneficial to them that/who I hope will enjoy it.

9. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting that/who I like that/who I want to recommend to my friends that/who I believe will be beneficial to them that/who I hope will enjoy it that/who I think will become my favorite book.

10. It is/was + 被强调部分 + that/who + 句子的其他部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who + 被强调部分 + that/who。

例如：It is/was this book that/which I bought yesterday that/who I want to read that/who I think is interesting that/who I like that/who I want to recommend to my friends that/who I believe will be beneficial to them that/who I hope will enjoy it that/who I think will become my favorite book that/who I know will never let me down.

这些结构可以根据具体情况灵活运用，以强调句子中的不同部分。