В единственном числе пишется is,isnt например,
There is book on the table
во множественном числе are,arent например,
There are two books on the table.
1. Are
2. Is
3. Isn’t
4. Aren’t
5. Is
6. Isn’t
7. Aren’t
8. Is
9. Isn’t
10. Are
11. Are, are not
12. Is, is
13. Are
14. Isn’t
15. Are
16. Is
17. Is
18. Is, is
19. Are, are not
20. Is, is not