Rewrite the sentences with the modals in brakets?

Rewrite the sentences with the modals in brakets. Make any necessary changes. Do not change the meaning of the original sentences. (Vuelve a escribir las frases con los verbos modales en brakets. Realice los cambios necesarios. No cambie el significado de las frases originales. ) 1. Will you please let , me borrow your MP4 player? (may) 2. We aren´t allowed to ride bicycles on the motorway. (mustn´t) 3. There´s no need for you to bring a cake to the party. (don´t have to) 4. It would be a good idea for us to start our project today. (ought to) 5. Before they built those tall builsings, it was possible for us to see the ocean from here. (could).