2: Mischievous child learning to beg (7)

5: Without conclusion, demonstrate one true condition (7)

7: Characters producing exit with cross? (9)

9: Lawless brute having fun with fair play (7)

11: Tense, but otherwise flawless (7)

1: Rose was refined, but would never make a silk purse (4,3)

2: One politician's a brat (3)

3: Ban professional writer (9)

4: Oak's first seen on the first of May with its leaves out (5)

6: Watch Obadiah attend to customers (7)

8: Dodgy queen is tender (5)

10: Fool to join recital (3)