Noun + noun or ('s + noun) It's the dog's toy . They are dog toys. We use the 'noun + noun' structure to name common kinds of things. The first noun is often like an object ( of a verb, or a preposition). a shoe shop = a shop that sells shoes; We use the 's + noun structure ( possessive structure) to talk about something that belongs to ...

3453 's (Apostrophe, genitive, possessive) – Exercise 4; 3443 's or of-phrase – Exercise; 3479 Capitalization of nouns – Exercise; 3447 Countable and uncountable nouns in English – Exercise 1; 3449 Countable and uncountable nouns in English – Exercise 2;