1- Yo
2-Yo soy or just Soy
3-tu if informal and usted if formal
4-tu eres if informal and Usted es if formal.
5- El
Answer:
your sister (informal) in Spanish is tu hermana
Comelo is in the yo form meaning I not you
Part 1.
Number 1. Nosotros.
Number 2. Ellas.
Number 3. Ella.
Number 4. Tu.
You are using "SER" which is the to be. I have to go but I wish I can help with the second. Bye!
