When you're talking about people in Spanish, you should always add a between the verb and the person you are mentioning.
Yo siempre visito el museo.
I always visit the museum.
Yo visito a Juan.
I visit Juan.
Some verbs are special only in the yo form, while all the other forms follow the regular pattern.
conocer to know, to meet |
|
---|---|
yo | conozco |
tú | conoces |
él / ella usted |
conoce |
nosotros / nosotras | conocemos |
ellos / ellas ustedes |
conocen |
When conocer is used to talk about a city or country, it means to be familiar with.
When conocer means to know or meet a person, it's always followed by a.