Make the following interrogative
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.

1. Is the teacher explaining a grammar rule?

 2. Is the woman playing with a child?

 3. Are the boys skating?

 4. Am I waiting for them?

 5. Are the children having supper?

 6. Is it raining?

 7. Am I cleaning the blackboard?

 8. Are my sister Chris and David getting married today?

 9. Am I always thinking about her three days?

 10. Are Ingrid and Dorothy giggling and whispering together?