1. es
2. están
3. es
4. son
5. es
6. somos
7. está
8. es
10. Es
11. eres
12. están
14. eres
15. estamos
16. están
Answer:
Sorry cant help need more information like if it is correct or what is wrong with the answer or stuff loke that.
You are writING me a letter. Since there is an ing, you need to drop the it in escribir and add iendo. The new Spanish sentence would be me estás escribiendo una carta. Hope this helps! ;)