1. Do this during play or at the end (4,2,3,4)
Third letter of first word is C and first may well be P so I'm thinking PICK.
Last word ends in E.
2. A relation at Xmas we hear often eaten for breakfast (7)
Probably starts with P so I'm thinking along th lines of POPTART but I consider that two words.
3. Rise and miss the bus (3,2,3,4)
Last word is ?A?E