Depending on what the subject is, I know it as Base Of Salt
Answer:
I am not able to view the image so sorry.
Explanation:
4 is A because of ir → vaya; vayan to go → (you, formal) go; (you, pl.) go
5 is C because of ser → sea; sean to be (permanent characteristics or qualities) → (you, formal) be; (you, pl.) be
I got this straight from my notes,
I hope it helps
2. Eres 3.es 4.es 5. Son 6.somos 8.vienes