Ответ на задание:
1. a) bleed — bled (irregular).
2. b) break — broke (irregular).
3. c) burn — burned (regular).
4. d) cut — cut (irregular).
5. e) fall over — fell over (irregular).
6. f) hurt — hurt (irregular).
7. g) injure — injured (regular).
8. h) sprain — sprained (regular).