Make the following interrogative and negative.
1. The teacher is explaining a grammar rule.
2. The woman is playing with a child.
3. The boys are skating.
4. I am waiting for them
5. The children are having supper.
6. It is raining.
7. I am cleaning the blackboard.
8. My sister Chris and David are getting married today.
9. I'm always thinking about her thee days.
10.Ingrid and Dorothy are giggling and whispering together.

l1. The teacher isn't explaining a grammar rule.
What is the teacher explaining?
2. The woman isn't playing with a child.
Is the woman playing with a child?
3. The boys aren't skating?
Are the boys skating?
4. I'm not waiting for them.
Who am I waiting for?
5. The children aren't having supper.
Are the children having supper?
6. It isn't raining.
Is it raining?
7. I'm not cleaning the blackboard.
What am I cleaning?
8. My sister Chris and David aren't getting married today.
Who is getting married today?
9. I'm not thinking about her three days.
What am I thinking about?
10. Ingrid and Dorothy aren't giggling and whispering together.
Who is whispering and giggling together?