This is a regular verb. It follows the conjugation pattern of the verb hablar.
PresentPresente
La biblioteca presta libros gratis.
The library lends books for free.
PreteritePretérito indefinido
Carlos me prestó su bicicleta el sábado.
Carlos lent me his bicycle on Saturday.
ConditionalCondicional
¿Me prestarías un poco de dinero?
Would you lend me a little money?