tolong jawab yaa.........buat besok dikumpul please

1. Mrs. Aminah is selling meat in the market (+)
Mrs. Aminah is not selling meat in the market (-)
Is Mrs. Aminah selling meat in the market? (?)

2. We are having camping on mount lawu now(+)
We are not having camping on mount lawu now(-)
Are we having camping on mount lawu now? (?)

3. I am eating dinner with my family now (+)
I am not eating dinner with my family now (-)
Am i eating dinner with my family now? (?)

4. The children are playing in the yard (+)
The children are not playing in the yard (-)
Are the children playing in the yard? (?)