Just remember these basic rules and don’t get frazzled. To make a plural noun that ends in S possessive, add an apostrophe: kids’ clothes.

Turning one into many isn't always as simple as adding an 's'! Learn how to spell plural nouns with BBC Bitesize KS3 English.

This list was compiled by Simon Thomas of Oxford Dictionaries, who is on Twitter as @stuck_inabook. It's a lovely collection of language quirks, into which you will notice I have squeezed rather ...

Collective nouns can be taken as singular or plural, according to whether the word is seen as a unit or as individual items.