|to walk, step, go||andar|
|I walk||eu and||o|
|you/he/she walks(s)||você/ele/ela and||a|
Ela anda rápida! She goes fast!
Vamos andar de bicicleta. Let's go by bike.
Não anda na rua. Don't walk in the street.
ANDAR is also used to express BEEN, as in been doing this or that. It’s considered a shorthand/conversational method and is used as a substitution for the grammatically correct conjugation into the Present Perfect form of the verb ANDAR. It sounds more streamlined, and a bit less formal.
Como você anda hoje? How are you doing today?
Você anda trabalando seu projeto? Have you been working on your project?