一、句型转换：
1. She is working now.（否定句）

2. They are playing basketball now.(改一般疑问句并作肯定和否定回答)

3. He is listening to the teacher. (“ the teacher”提问)

4. She is watching TV. (“watching TV”提问)

5. We are cleaning the desks now . ( “the desks”提问 )

6. Mr Li is talking to his friend. (对“talking to his friend”提问)

7. Jack watches TV in the evening . (用now改写)

8. Rose isn't doing her homework. (用every morning改写)

9. My grandparents are watching TV now. (改为一般疑问句)

10. We are cleaning our classroom. (对“our classroom”提问)

11. She is reading in the classroom. (“in the classroom”提问)

1. She is working now.（否定句） 
She isn't working now.

2. They are playing basketball now.(改一般疑问句并作肯定和否定回答) 
Are they playing baketball now? Yes,they are/No,they aren't.

3. He is listening to the teacher. (“ the teacher”提问)
Who is he listening to?

4. She is watching TV. (“watching TV”提问)
What is she doing?

5. We are cleaning the desks now . ( “the desks”提问 )
What are you cleaning now?

6. Mr Li is talking to his friend. (对“talking to his friend”提问)
What is Mr. Li doing?

7. Jack watches TV in the evening . (用now改写)
Jack is watching TV now.

8. Rose isn't doing her homework. (用every morning改写)
Rose does her homework every morning.

9. My grandparents are watching TV now. (改为一般疑问句)
Are your grandparents watching TV now?

10. We are cleaning our classroom. (对“our classroom”提问)
What are you cleaning?

11. She is reading in the classroom. (“in the classroom”提问) 
Where is she reading?