I bought a beautiful dress at the mall.
Adjective
What did she ask you to do?
Pronoun
I left my shoes under the kitchen table.
Preposition
If we finish our work quickly we can go to the movies.
Adverb
On Saturdays I work from nine to five.
Verb
I want to go to a university in the United States.
Noun
I want to go to a university in Thailand.
Infinitive
I'm sure I have met your girlfriend before.
Verb
Robert knocked on the door but nobody answered.
Correlative Conjunctions
Her favorite colors were purple and red.
Coordinating Conjucntions
After lunch let's go out for a coffee.
Subordinating Conjunction
The dress that I got for my birthday is royal purple.
relative pronoun
Speeding will get you a ticket?
Gerund
Who told you to do that?
Interrogative Pronouns
The tickets are ours.
Possessive Pronouns