Doctor, no me siento bien. Creo que estoy enfermo.
(Doctor, I'm not feeling well. I think I'm sick)
Answer:
the first one should be <em><u>esta </u></em>
second one should be <u><em>estamos </em></u>
the third should be <u><em>es</em></u>
and the last one should be <u><em>son</em></u>
Explanation:
