Regras para o plural regular das palavras em Inglês

1) In general we add S to substantive: scientist – scientists

2) Substantive ending in S, SS, SH, CH, X E Z we add ES: box – boxes

3) Substantive ending in Y preceded by a consonant: history – histories

4) Substantive ending in O preceded by a consonant: tomato – tomatoes

5) Substantive ending in F and FE we change to VES: life – lives
They are only 12: calf, half, knife, leaf, life, loaf, self, sheaf, shelf, thief, wife and wolf.