Fill in the blanks with the correct form of the verbs in brackets.

{"q":"Fill in the blanks with the correct form of the verbs in brackets.","a":"1. am having 2. came 3. have done 4. have ever visited 5. have already seen 6. walk 7. also went 8. Did you take 9. is 10. forwarded 11. heard 12. is 13. went 14. have not seen 15. have not heard 16. exercise 17. rode 18. is"}