GRAMMAR can et be able to. L'expression de la fréquence 1 Remplace be able to par le modal can quand c'est possible. a. Are people able to do everything online? b. I won't be able to chat on Facebook tonight. c. He isn't able to log on to his account. d. I haven't been able to send text messages for three days. e. I wasn't able to talk to him on Skype.​