Nous Adjetive

Noun as Adjective As you know, a noun is a person, place or thing, and an adjective is a word that describes a noun: adjective | noun |
clever | teacher |
small |office |
black | horse |
Sometimes we use a noun to describe another noun. In that case, the first noun "acts as" an adjective. noun
as adjective | noun |
history | teacher |
ticket |office |
race | horse |
The "noun as adjective" always comes first If you remember this it will help you to understand what is being talked about: * a race horse is a horse that runsin races * a horse race is a race for horses * a boat race is a race for boats * a love story is a story about love * a war story is a story about war * a tennis ball is a ball forplaying tennis * tennis shoes are shoes for playing tennis * a computer exhibition is an exhibition of computers * a bicycle shop is a shop that sells bicyclesThe "noun as adjective" is singular Just like a real adjective, the "noun as adjective" is invariable. It is usually in the singular form. Right | Wrong |
boat race | boat races |NOT boats race, boats races |
toothbrush | toothbrushes | NOT teethbrush, teethbrushes |
shoe-lace | shoe-laces | NOT shoes-lace, shoes-laces |
cigarette packet | cigarette packets | NOTcigarettes packet, cigarettes packets |
In other words, if there is a plural it is on the real noun only. A few nouns look plural but we usually treat themas singular (for example news, billiards, athletics). When we use these nouns "as adjectives" they are unchanged: * a news reporter, three news reporters * one billiards table, four billiardstables * an athletics trainer, fifty athletics trainersExceptions:
When we use certain nouns "as adjectives" (clothes, sports, customs, accounts, arms), we use them in the plural form: *...