Answer: The difference between the tenses is when you use them. Pluperfect is commonly used in conversation. Preterit perfect is commonly used in formal writing and literature. In most cases, you're going to use the pluperfect.
Explanation: hope this helped :)
Go to a Spanish class or study with a friend that knows spanish
tengo que ir al auto para coger my mi libro.
a mi me gusta esta comoda motocicleta, eso es proque lo manejo todos los dias.
voy a mi clase de natacion con my biciclets rapida.
plante mi flor al lado del jardin, es bueno para la econo mia.
Hope this helped! :)