Bonjour,
Réponse :
Compléter en conjuguant le verbe entre parenthèse au PRESENT PERFECT EN -ing
Present perfect en -ing:
I /You /We/ They have been + BV-ing
He/She/It has been + BV-ing
a) We're tired. We have been working for hours. (work)
b) My schoolmate has been talking to me all morning. (talk)
c) I'm sorry. I'm late.Have you been waiting long? (wait)
d) Has the baby been sleeping all night ? (sleep)
e) The children have been fishing for a long time. (fish)