Mets les verbes au present perfect ou au present perfect be + V-ing.
a. Even if English (be) the official language in Ireland since the mid-19th century, Gaelic (not disappear).
b. Irish legends (long inspire) many writers. c. Ireland (be) independent from Britain since 1921.
d. Since they left Ireland, they (remain) strongly attached to their culture.
e. The Irish (celebrate) St Patrick Day for more than four centuries.​