11. Change this complex sentence into two simple sentences.
12. Change this sentence into negative form. Follow the example.
Examρle: She likes music. She doesn 't like music.
13. Rewrite this sentence by adding an appropriate tag question. Follow the example.
Example: She likes music. She likes music , doesn't she？
14. Change this sentence from active voice into passive voice.
15. Build one question about the underlined part in the sentence.