Modal Auxiliary Verbs: Can and Could

El modal auxiliar can se usa para hablar de habilidad. Could se usa para hablar de habilidad en el pasado. Se usan también los dos verbos para pedir cosas o para pedir que alguien haga algo.

Como otros modal verbs, se niegan con la palabra not o la forma corta -n’t. La pregunta se hace poniendo el modal verb al principio, sin nada más.

I can come to your house for dinner, but I can’t bring anything. I don’t have time to stop at the store.

I can’t stay up late tonight because I have to work in the morning.

She can speak French, but she can’t speak German.

Can you speak up? I can’t hear you!

She can’t afford a new car, so she bought a used one.

Can you buy some stamps if you go past the post office?

I could see the sunset out the window of my old house. From my new house I can’t.

She couldn’t cook until she moved out of her parents’ house.

Se puede hablar de habilidades también con know how to do something.

I don’t know how to make brownies. Can you teach me?

She didn’t know how to dance until she started taking classes.

Do you know how to drive?

Enjoy!

Para más, visita la página de gramática. También véase The Modal Verb Might.