Parts of speech  are types of word in grammar. There are many different word categories: they are called 'lexical categories'. The most common are these:
|Part of Speech
||Identifies an action or state.
||(to) be, have, do, like, work, sing, can, must
||London is a big city. I like London.
||A verb has a subject, which is a noun performing the action. Some verbs also have an object, which receives the action.
||Identifies a person, place or thing.
||pen, dog, work, music, town, London, teacher, beef
||New York City is very beautiful.
||Proper nouns are a type of noun that refers to something individual. Proper nouns, like New York City, are capitalized. Other nouns are called common nouns.
||Describes a noun.
||a/an, the, 2 (two), some, good, big, red, interesting
||The cat is black and white.
||A/an, the, some, many are known as determiners.
||Describes a verb, adjective or adverb.
||quickly, silently, well, badly, very, really
||The giraffe eats slowly, but when he is very hungry, he eats really quickly.
||Slowly describes the verb eat, very describes the adjective hungry and really describes the adverb quickly.
||Replaces a noun.
- ↑ also called a word class, lexical class or lexical category.
- ↑ "Parts of Speech". English Club. Retrieved 12 December 2013.
- ↑ "Determiners". English Club. Retrieved 12 December 2013.