Plural of adjectives

Question 1

Most masculine/feminine adjectives …

Answer 1

Add -s (petit -> petits; petite -> petites)

Question 2

Adjectives ending with -s or -x

Answer 2

Stay the same in masculine plural form (gros -> gros, but grosse -> grosses)

Question 3

Adjectives ending -al or -au

Answer 3

Change to -aux (loyal -> loyaux; beau -> beaux)

Question 4

Exceptions for al/au

Answer 4

banal(s), fatal(s), final(s),natal(s), naval(s)

Question 5

Beau

Answer 5

masculine vowel or h-muet: bel
feminine word: belle

Question 6

Nouveau

Answer 6

masculine vowel or h-muet: nouvel
feminine word: nouvelle

Question 7

vieux

Answer 7

masculine vowel or h-muet: vieil
feminine word: vieille