Plurals

Question 1

What words do we add “es” to make plural

Answer 1

words ending in s,x,ch,z or sh
E.g - tax - taxes
        wish - wishes 
        lunch - lunches
BUT quiz - quizzes

Question 2

When do we not change the noun at all

Answer 2

when the noun has a silent S at the end we don't change the spelling 
E.g - 1 corps (pron. core)
      - 2 corps (pron. corps)
or 
     - 1 rendezvous (pron. ron-day-voo)
     - 2 rendezvous (pron. ron-day-voos)

Question 3

What happens when the word ends in Y

Answer 3

1) if the second last word is a consonant