1、She doesn't usually go to work on foot.                                                        
2、They don't have lessons from Monday to Friday.                                                                   
3、I'm not going to see my grandparents.                                                
4、Sometimes Lily doesn't do some shopping.                                                             
5、You won't get fatter.                                     
6、She didn't come home on time.                                                
7、I didn't see your name in the newspaper yesterday afternoon.                                                                  
8、She doesn't want to be your penfriend.                                                          
9、There aren't any fish in the water.                                                        
10、There isn't a nice picture on the blackboard.                                                                  
11、I can't jump higher than you.                                                  
12、You may not come here.                                                 
13、You mustn't smoke here.                                                

1. —             you a boy?
    — No, I          not.
2. The girl _____ Jack's sister.
3. The dog _____ tall and fat.
4. The man with big eyes____ a teacher.
5. ____     your brother in the classroom?
6. — Where _____ your mother?
    — She            at home.
7. How _____ your father?
8. Mike and Liu Tao _____ at school.
9. Whose dress _____ this?
10. Whose socks _____ they?

1. What ______ you doing? I ______ sleeping.
2. Where _______ they?
3. I ______ fine. Thank you.
4. Mom, there ______ a call for you.
5. The snow _______ falling. Winter ______ here.