A noun phrase is a group of words that functions as a noun. The main word is called the head, and the other words modify or complement it.
Structure of a Noun Phrase
[Determiner] + [Modifier(s)] + HEAD + [Complement]
| Determiner | Modifier | Head | Complement | | ---------- | ------------- | ------------ | ---------- | | the | old | house | | | a | beautiful | garden | | | my | best friend's | car | | | those | three large | boxes | | | | | Students | of English |
Simple vs. Complex Noun Phrases
| Type | Example | | ------------------------- | --------------------------------------- | | Simple (just a head) | *Dogs bark.* | | Determiner + head | *The dog barked.* | | Adj + head | *Big dogs bark.* | | Det + Adj + Head | *The big dog barked.* | | Det + Adj + Head + PP | *The big dog in the park barked.* |
Functions of Noun Phrases
| Function | Example | | --------------------- | ---------------------------------- | | Subject | *The tall man waved.* | | Object | I bought a new phone. | | Complement | He is a great teacher. | | Object of preposition | She sat on the wooden chair. |
Postmodification
Modifiers can come after the head noun:
| Type | Example | | -------------------- | ------------------------------- | | Prepositional phrase | *the book on the table* | | Relative clause | *the book that I bought* | | Infinitive | *the best way to learn* | | Participle | *the man waiting outside* |
Writing with Noun Phrases
Adding modifiers creates more precise and descriptive sentences:
A dog barked. → A small, brown dog barked. → A small, brown dog with a red collar barked.