Do the exercises. Practise the noun formation. 1. Form corresponding nouns. 1. to add 2. to admire 3. to celebrate 4. to compose 5. to cooperate 6. to decorate 7. to devote 8. to dictate 9. to educate 10. to examine 11. to invite 12. to observe 13. to protect 14. to subtract 15. to translate