Bonjour,
d. 1) She had been playing guitar for ages before she started having lessons.
2) I have been meeting my best friend about 7 years ago.
3) How long have you been knowing him before you got married?
4) Mike had cycled for two hours when he had an accident.
5) When we arrived at the airport the plane had already left.
6) They have written for 50 minutes when the teacher told them to stop.
J'espère que ça t'a aidé!
