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?