Salut,
En bleu le present perfect, avec l'auxiliaire "have": has been; has been developing; has been; has been ; have been ; has started; has decided; has become.
En rouge le preterit avec les verbes irréguliers et les verbes en "ed": started ; became; competed; won; started.
Les marqueurs de temps à entourer: many years now; more than a century ago; since then; last year; for a year now; actually; 10 years ago; since; for ages; this year.
