PLURIEL DES ADJECTIFS

la règle générale:

1.  SINGULIER + –S = PLURIEL             fou–fous, bleu–bleus

2. –s, –x  =>  –s, x                                 gros–gros

3. –eau => –eaux                               beau–beaux

4. –al =>  –aux                                   amical–amicaux

MAIS! final – finals, fatal – fatals, glacial – glacials