hey do not have a plural formFormation of Plurala)	Adding “s” to the singulargirl		girls		dog 	dogs		house	houses		train	trainsb)	Adding “es” to the singular (for nouns ending in ss, sh, ch, or x)Kiss		kisses		brush	brushes 	watch	watches	tax	taxesc)	Most nouns ending in -o also make plural by adding “es”Hero	heroes		tomato	tomatoes	volcano	 volcanoes	mango	mangoesd)	Some nouns ending in –o will make plural by ending “s” to endDynamo	dynamos	ratio	ratios		piano	pianos	photo	photos e)	Nouns ending in – y preceded by a consonant form their plural by changing –y to – i and adding –esbaby - babies, country-countries, city-citiesf)	Nouns ending in –y preceded by a vowel form their plural by adding –sMonkey-monkeys, boy-boys, toy-toysg)	Only few ending in –f or –fe form their plural by changing –f or –fe to –v and adding –esWife-wives, knife-knives, thief-thieves,h)	Some changing the inside vowelMan-men, mouse-mice, foot-feet2.	Adjective: a word used with a noun to add som