The rules for regular plural nouns are: Just add an ‘s’ Add an 'es' Drop the ‘y’ and add ‘ies­’ Replace the ‘f’ or ‘fe’ ending with ‘ves’ Check your knowledge and find out ...

JavaScript is required to view this activity. Most plural nouns follow this simple rule and these words are easy to spell. Remember that adding an apostrophe ‘s’ does not make a plural noun.