Answer:
I'll go step by step.
Step-by-step explanation:
I've been learning french for a while, and some of these might not be FULLY accurate but I'm very sure they all are.
11. Il conduisait notre voiture, et il a vu un hélicoptère.
12. J’ai acheté une nouvelle imprimante.
13. Je sais me servir d’un ordinateur.