Can vs Could vs Be able to
Habilidad, permiso y posibilidad
Can expresa habilidad presente y permiso informal. Could es su forma pasada o más formal. Be able to se usa cuando can no tiene la forma gramatical necesaria.
CAN: Habilidad actual / permiso informal
I can swim. / Can I sit here?
I can swim. / Can I sit here?
COULD: Habilidad pasada / solicitud formal / posibilidad
I could read at age 4. / Could you help me?
I could read at age 4. / Could you help me?
BE ABLE TO: Para tiempos donde can no existe
I will be able to come tomorrow. / I have been able to finish.
I will be able to come tomorrow. / I have been able to finish.
Ejercicios Prácticos
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1Completa
When I was five, I ___ ride a bicycle.
2Completa
She ___ speak three languages fluently.
3Completa
After months of practice, he ___ (be able to) play the song.
4Selecciona
___ you pass me the salt, please?
5Selecciona
I haven't ___ sleep well recently.
6Selecciona
He ___ run very fast when he was young.
7Corrige
Encuentra el error: 'I will can come to the party.'
8Reescribe
Hazlo más formal: 'Can I use your phone?'