Bonsoir pouvais vous m'aider pour c'est deux exercices d'anglais j'ai du mal merci d'avance de votre aide ​

Bonsoir

EXO 3

a- I have had this computer since I was a kid.

b- He bought this new video game two weeks ago.

c- Theyhave been on the phone for two hours now.

d- I got this idea when  was in London.

j'ai essayé de souligner les indicateurs qui demandent prétérit ou P. perfect

EXO 4

a- I have known him for two years.

b- They have used this computer since Thursday.

c- They have been in the office since this morning.

d- We have had this problem for three days.

bonne soirée ☺☺☺