WH Question words and usage

WH Question word                             Used to Know

1. Who                                             Subject,does of an action    
2. Whom                                          Object,receiver of an action
3. When                                            Time
4. Where                                           Place,Position
5. Which                                           Choice,Alternatives
6. Whose                                          Owner of a belonging
7. What                                             Day,Date,Time,Name,Person,Things
8. Why                                              Reason
9. How                                              Description, to know more
10. How many                                     Countable Nouns
11. How much                                     Uncountable nouns
12. How far                                         Distance
13. How often                                      Frequency of an action,repetition.
14. How long                                       Duration of time,Period of time.

Examples for WH words:

WHO   

1. Who are you?
2. Who is your teacher?
3. Who is the director of the college?
4. Who sings well?
5. Who helps you in your studies?
6. Who wants something to eat?
7. Who is the owner of the house?
8. Who attends the class regularly?
9. Who conducts seminars in the college?
10. Who has come?
11. Who should apply for this job?
12. Who will stay here?
13. Who won the match?
14. Who will buy it?
15. Who saw the accident?
16. Who will solve the problem?
17. Who can lift this bag?
18. Who taught you English?
19. Who reported the matter to the head office?
20. Who will receive you at the station?
21. Who has designed this building?
22. Who must attend the Seminar?
23. Who broke the glass?
24. Who has locked the door?