Final answer:
The correct forms of the verb estar are 'estoy' and 'están' depending on the subject pronoun.
Step-by-step explanation:
Question 12: The correct form of the verb estar to fill in the blank depends on the subject pronoun used in the sentence. Here, the subject is 'I', so the correct form is 'estoy'.
Question 13: The subject of the sentence is 'you all', which is represented by the pronoun 'Uds.' In this case, the correct form of estar is 'están'.
Learn more about Spanish verb conjugation