Answer: 1. Carlos y tu van a ser exitosos en el futuro. (You and Carlos will be successful in the future.
2. Los primos de Alberto quieren ser jugadores de fútbol cuando crezcan. (Alberto's cousin want to be soccer players when they grow up)
3. Tu y yo seremos muy famosos en el futuro. (You and I will be famous in the future)
4. Señor Hernández y usted serian muy triste si no estuvieran juntos. (Mr.Hernandez and you would be ver sad if you weren't together)
5. Mi abuela seria muy feliz si tuviera mas compania. (My grandmother would be happier is she had more company)
Explanation: I speak spanish