Bonjour est-ce que quelqu’un réussirais à raison doit l’exercice deux merci beaucoup pour votre aide

1: terry has been playing a video game for an hour
2:tess has been tidying her room for 3 hours
3: I have been saving up for a computer since christmas
4: My brother has been looking for a job since he left school in june
5:I've been waiting for the bus for half an hour ( pour celle ci je suis pas sûr...)
6: Dad has been painting the garage since this morning
7:my sister has been doing her maths homework since six o'clock
Bonne chance :)