Eu sei que ele tem tempo. I know that he has time. In Portuguese, there are verbs which are followed by prepositions that differ from English. Ele gosta muito do Brasil. He loves Brazil.
Ele come ou a trabalhar.
He began working. I cannot go to the meeting. Certain verbs in Portuguese are only used in the 3 rd person. These verbs often refer to natural phenomenon or are used in idiomatic expressions. Sometimes the meaning of the verb will change when used as impersonal verb.