Помогите ,словообразование
1. ACT 2. ACT 3. RECOGNISE 4. PERFORM 5. APPEAR 6. THEATRE 7. PAY 8. COMMERCE 9. DANCE 10. ECONOMIC 11. INTERPRET 12. MATURATION 13. NEED 14. WORK 15. SLICE 16. CO-STAR 17. OBSESS 18. ADMIRE