<span>Él es un compañero de clase is the right answer. The 1st sentence is ella but </span>compañero should be compañera. In the second one ella should not have an accent mark and in the last one el doesn't match with una.
<span>#1. Write a complete sentence with the correct form of estar and a possessive adjective to say which family members the people below are with right now.
Tú (hijo) esta con su abuelo
#2. Todos los años nuestros abuelos le compran el mismo regalo - pijamas (pajamas).
#3. Complete each sentence below with the correct form of ser or estar.
Las alumnas son ambiciosas.</span>
Answer:
You can used this website that i used to conjugate all your words
Explanation:
https://www.spanishdict.com/conjugate/ir