Bonjour,
Réponse :
a. Jason came to settle in Alaska 30 years ago, he has lived there since.
b. I discovered Alaska's biodiversity when I first visited the country in 2010. Since then I have worked with an association to preserve it.
c. I have never attended a Native Dance show but I have already seen videos of these performances.
d. She started learning their languages when she arrived in 1998 and she has spoken with the inuits since that day.
e. This is the first time I've seen a bear for real.
Explications :
Prétérit : passé, daté, terminé, pas de lien avec le présent ...
Present perfect : il y a un lien avec le présent, l'action a eu lieu dans le passé et a des conséquences aujourd'hui, permet aussi de faire un bilan, de dire ce qu'on a jamais ou déjà fait.
