9 Understanding from the correspondence (9)
10 Policeman giving marks to motorists at road junctions? (9)
12 Gracious, work and stop talking! (4)
13 Relax - he likes to kid people (2,4)
14 Box file for "Bird" (7)
15 Will put through its paces: meant to do stunts with (9)
17 Offer to compose a tune for the lover to play outside (9)
18 Heart broken, uncle has gone to America (7)
19 Claim a quarter after the legal separation (6)
20 Stick into, making a crack (4)
23 Being recorded as becoming sick with (5,4)
25 Condescend to shop at (9)
26 Once abroad, change the name (4)
27 When the fellow incarcerated in is let out, suppress it (6)
29 Mad, took a swipe at (7)
32 On balance, it's very informative (9)
34 Dash! The clue is wrong for "little" (9)
35 The consequence of making one's debut? (7)
36 Result of firing into the air? (6)
37 Name the c-cat (4)
38 Run water for the plant (9)
39 A property you ascribe to (9)
9 Morning meal (9)
10 Small sausage (9)
12 Rowing blades (4)
13 Desirable residence (3,3)
14 File of papers (7)
15 Wandering beggars (9)
17 An act of surgery (9)
18 Maid, say (7)
19 Within (6)
20 DNA unit (4)
23 Cooking, cleaning, etc. (9)
25 Opposite of temporary (9)
26 Assistant (4)
27 Grief or deep sadness (6)
29 Adjusted (7)
32 Imposes imprisonment on (9)
34 Noel (9)
35 Goes back on a promise (7)
36 Edible seed (6)
37 Touch (4)
38 Infamous (9)
39 American leader (9)
DOWN
DOWN
3 Having a feeling of uneasiness with nothing to base it on? (8)
4 It's narrow for a start; manoeuvring, I get jammed in (6)
5 Disruption the winching creates? (8)
6 Sticks rubbed together at dawn? (5,5)
7 Twists to music (7)
8 Accountable to (that's one you can find the solution to!) (10)
11 Having gone into the business world, become absorbed by (5)
16 Get even-even for beheading-in time (6)
19 Hair growing in the ear (3)
21 Speak your mind? (5,3,4)
22 Swamp with a whole lot of; overwhelming, in either words (6)
23 Where the army makes it hot for wrongdoers? (10)
24 Having no inclination to be honest (2,3,5)
25 Good English food (3)
28 Well-and completely so-off and on (8)
29 Does kind of go into, with the partners (8)
30 Cheat ever so terribly when one renovates (4,4)
31 Transfers to, in a very short time (7)
33 He's given time to cover it up (5)
34 Skip over almost all the book (6)
1 Pardons (8)
2 Whirligig (5-2-5)
3 Filbert (8)
4 Begins (6)
5 Cutting instrument (8)
6 One who knows your thoughts! (4-6)
7 By the sea (7)
8 Temperature scale (10)
11 Defence plea (5)
16 Defeated (6)
19 Pen fluid (3)
21 Equable (4-8)
22 Heathens (6)
23 Self-willed (10)
24 Every so often (2,8)
25 Dog's foot (3)
28 Fidgety (8)
29 Large passenger plane (8)
30 Uninhabited, deserted (8)
31 Amalgamations (7)
33 Group of nine (5)
34 Savoury snack (6)