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.