Draw tree diagrams for the following questions.

1. Did Mary give a present to John?
    
2. What did Mary give to John?
    
3. Does the man with the hat know your brother?
    
4. Who does the man with the hat know?
    
5. Did your brother know the man with the hat?
    
6. Who knew the man with the hat?
    
7. Where did the man with the hat go?
    
8. Did you diagram the sentences on the web?
    
9. How did you diagram the sentences on the web?
    
10. Do you love this class?
     
11. What have we learned in class?
     
12. Did you come to class on Thursday?
     
13. Where are the people in that truck going?
     
14. What does that mean to you?
     
15. Which door leads to our classroom?
     
16. Where does the professor come from?
     
17. What town did the professor come from?
     
18. What day does the professor need our answer by?
     
19. By what day does the professor need our answer?
     
20. How will you answer this question?