Grammar revision

• you need to add an _ before the direct ______ when the direct _____ is a person: Veo _ mis abuelos?

  A, object, object, a
• English has _____ and Spanish doesn't: miro __ casa?

  prepositions, la
• name some prepositions?

  to , of , in, for, from, behind, on top of
• propositions go before the ____ ___ but if a ____ is before the ___ ____, que often changes to _____?

  relative pronoun, name, relative pronoun, quien
• por is?

  used in the past for a length of time
• para is?

  used in the future for a length of time