tolong di jawab......?

1. are playing
2. is talking
3. are cleaning
4. is dancing
5. is typing
6. are eating
7. are speaking
8. are learning
9. is singing
10. are visiting

1+ The teacher is informing about the speaking contest
1- The teacher is not informing about the speaking contest
1? Is the teacher informing about the speaking contest?
2+ The farmer is cultivating his rice field
2- The farmer is not cultivating his rice field
2? Is the farmer cultivating his rice field?
3+ The students are having an experiment in the field
3- The students are not having an experiment in the field
3? Are the students having an experiment in the field?