We liked to see my brother
2. esta
3. estoy
4.estamos
5.estas
6.esta
7.estan
8.estamos
9.estan
10.estan
11.estamos
12.estoy
13.estan
14.estas
The verb ending is the only thing that changes in present tense form, depending on who does the action. In this case, it is talking about "you" or "tu" meaning that it will end in "-es", or "haces". Therefore the answer would be:
<em>Que haces tu?</em>