Change the sentences into negative (-) and interrogative (?) sentences

Sue and pam (cut) __________________________apples 

(-) ______________________________________________

(?)________________________________________________ 

2. Her mother (write) ________________________a letter 

(-) ______________________________________________

(?)________________________________________________ 

3. His mother (cook) ____________________________the meal now 

(-) ______________________________________________

(?)________________________________________________ 

4. They (sit) _________________________________on the bench

(-) ______________________________________________

(?)________________________________________________ 

5. The students (study) ______________________________________in the library 

(-) ______________________________________________

(?)________________________________________________ 

6. He (play)___________________________________with a ball 

(-) ______________________________________________

(?)________________________________________________