TO BE INTERROGATIVE & NEGATIVE

http://www.englishexercises.org/makeagame/viewgame.asp?id=4121

1. Make the sentence a question:  
1. You have work for me.         
2. Make the sentence negative: 
   I have this document.
3. Make the sentence a question: 
   You promised to increase the salary.    
4. Make the sentence negative: 
   I finished my work.
5. Make the sentence a question: 
   You gave me the money.  
6. Make the sentence negative: 
   I can do this work.
7. Make the sentence a question: 
   We deal.    
8. Make the sentence negative: 
   I have all necessary certificates.
9. Make the sentence a question: 
   The work is hard. 
10. Make the sentence negative: 
    I can speak German.