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 is explaining a grammar rule. - Is the teacher explaining a grammar rule? The teacher is not explaining a grammar rule.

2. The woman is playing with a child. - Is the woman playing with a child? The woman is not playing with a child.

3. The boys are skating. - Are the boys skating? The boys are not skating.

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

5. The children are having supper. - Are the children having supper? The children are no having supper.

6. It is raining. - Is it raining? It is not raining.

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

8. My sister Chris and David are getting married today. - Are my sister Chris and David getting married today? My sister Chris and David are not getting married today.

9. I'm always thinking about her these days. - Am I always thinking about her these days? I am not always thinking about her these days.

10. Ingrid and Dorothy are giggling and whispering together. - Are Ingrid and Dorothy giggling and whispering together? Ingrid and Dorothy are not giggling and whispering together.