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.