We are stuck in one corner - completely stuck!
7A: Pot passed endlessly, it's said. (6) _ _ _ G _ _
9A: Star pilot. (4) _ _ _ D
11A: Devotee has a surprised expression when beast appears (7)
15A: Need large motor to get trophy (5) _ S _ _ _ [We thought it might be ASHES - cricket trophy, but we don't understand the rest of the clue]
1D: Mark up the water in Paris: sweet! (6)
3D: It's essential the pub is ready, we hear. (7) _ _ _ U _ _ _ [We think this may be INBUILT]
12D: Fail to cry? That's awful! (8) _ _ _ _ R _ N_