J'ai quelques soucis avec ces exercices svp aidez moi c'est urgent merci ! C'est les exercices 2 et 5 merci pour votre aide a l'avance

salut...alors pour l'exercice 2 :
sing---> you have sang songs I haven't listen to before
meet---> you have met people I actually haven't seen
find---> you have found the T-shirt I have lost
invent---> you have invented a story I haven't even thought about
play---> you have played video games I haven't known