句型转换。根据要求改写句子。

1. My favorite player is Liu Xiang. (对划线部分提问)

    __________ __________ your favorite player?

2. I have a toothache. (对划线部分提问) 

   __________ __________ with you?

3. They will leave for Beijing tomorrow. (改为一般疑问句) 

   __________ __________ leave for Beijing tomorrow?

4. You must take care of yourself. (改为同意句)

   You must __________ __________ yourself.

5. He taught himself on the Internet. (改为否定句)

    He __________ __________ himself on the Internet.