1. Sergio García sabe jugar al golf 2. Juanes y Carlos Vives conocen a Shakira 3. Los colombianos saben bailar el Vallenato 4. Yo no soy el presidente de Colombia
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed.
Se encaprichó con estudiar en el extranjero y ahora se ha disgustado porque no podrá hacerlo. He set his mind on studying abroad and now he's upset because he wont be able to.