Plural Experts cat – cats elephants dog – dogs elephant – That’s easy! Just add an "s" dress – dresses glasses box – boxes glass – If you can’t say the word easily with the plural s then add –es That makes it easier family – families teddy – teddies baby – babies That’s not so easy: If your word ends on -y, then you have to change the -y into -ies tomato – tomatoes potato – potatoes flamingo – flamingo That’s tricky! If your word ends on -o, then you have to add -oes instead But not always child – children mouse – mice tooth – That’s horrible! Some words are totally different teeth when they are more