例:There is a water bottle in the room.
例:A:Do you play basketball on Mondays?
B:Yes, we do.
A:
B:
例:A:What can he do for the party?
B:He can sing songs.
Is there a ...? Yes, there is/No, there isn't.
Are there any ...? Yes, there are/No, there aren't.
例: river forest;yes
— Is there a river in the forest?
— Yes, there is.
(fruit, grapes)
(fish, fresh)
—I'd like some apple juice.