English Banana.com's Big Activity Book www.englishbanana.com Test Your Grammar Skills - What's the Infinitive...? The infinitive is the basic form of a verb. 1. Underline the verb(s) in each sentence below. 2. Write the infinitive form of the verb(s) next to the sentence: For example: I went shopping yesterday. GO 1. What’s her name? 2. I don’t know him. 3. He went out. 4. Are you watching TV? 5. I saw him yesterday. 6. I have brought my friend 7. They lost some money. 8. I don’t like him. 9. I have read your letter. 10. We aren’t learning much. 11. I played on the computer. 12. I couldn’t hear you. 13. Is it true? 14. Did she tell you my name? 15. That’s her sister. 16. The time was about 8pm. 17. My arm really hurts. 18. The children were laughing. 19. I washed my hands. 20. We’re seeing them later.