1. (have dinner) - Jane isn't having dinner.
2. (watch television) - She's watching television.
3. (sit on the floor) - She is sitting on the floor.
4. (read a book) - She isn't reading a book.
5. (play the piano) - She isn't playing the piano.
6. (laugh) - She isn't laughing.
7. (wear a hat) - She is wearing a hat.
8. (write a letter) - She is writing a letter.