Question

The most common rule for forming plural nouns is        A. adding -es to the word.   B. adding -s to the word.   C. dropping the last letter and adding -ies.   D. changing the y to i and adding -es.

Answer 1

B. The most common rule for forming plural nouns is by adding –s to the singular word which is the simplest among all rules. Examples are given below:
1. Boy (singular), add (s) to make it plural so it become: boys
2. Girl -> girls
3. Book -> books