1.She can come tomorrow.
Au présent : She can come today.
Au passé : She could come yesterday.
Au futur : She will be able to come tomorrow.
2.Can you tell it to your brother?
Au présent : Can you tell it to your brother?
Au passé : Could you tell it to your brother?
Au futur : Will you be able to tell it to your brother?
3.Jenny can't work this afternoon.
Au présent : Jenny can't work this afternoon.
Au passé : Jenny couldn't work yesterday afternoon.
Au futur : Jenny will not be able to work tomorrow afternoon.
4.At what time can they come?
Au présent : At what time can they come?
Au passé : At what time could they come?
Au futur : At what time will they be able to come?
5.When can this child do this exercise?
Au présent : When can this child do this exercise?
Au passé : When could this child do this exercise?
Au futur : When will this child be able to do this exercise?
