"Ela me deu leite."

Translation: She has given me milk.

[Jayway223]

Why not she gives me milk? Does this sentence work with only past?

[Danmoller]

Yes.

As well as English has differences between past and present, Portuguese does too.

She gave / She has given = Ela deu
She gives = Ela dá

[Jayway223]

Obrigado pela resposta :) É ajuda muito

[FlavioMonteiro]

*Ajuda muito. or É de grande ajuda.