If anyone is struggling with anything in class, please come and see me at lunch, so that I can go over it with you.
There are many irregular nouns in French, when making a masculine noun feminine, or changing it to plural. These are the nouns you are responsible for knowing:
Singular to plural irregular words:
Words that end in "eau" for singular changes to "eaux" for the plural.
le bureau (m) = the office les bureaux (pl) = the offices
Some words that end in "al" for singular change to "aux" for the plural:
un animal = an animal des animaux = some animals
Masculine to feminine irregular words:
l'acteur = actor l'actrice = singer
le chanteur = male singer la chanteuse = female singer
Adding an "e" to making a word feminine:
un petit ami = a boyfriend une petite amie = a girlfriend
un étudiant = a boy student une étudiante = a girl student