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.

1. The teacher isn`t explaining a grammar rule. Is the teacher explaining a grammar rule?

 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 am not waiting for them. Am I waiting for them?

 5. The children aren`t having supper. Are the children having supper?

 6. It isn`t raining. Is it raining?

 7. I am not cleaning the blackboard. Am I cleaning the blackboard?

 8. My sister Chris and David aren`t getting married today. Are my sister Chris and David getting married today?

 9. I'm not always thinking about her three days. Am I always thinking about her three days?

 10. Ingrid and Dorothy aren`t giggling and whispering together. Are Ingrid and Dorothy giggling and whispering together?