A prepositional phrase starts with a preposition. (See list below). It ends with a noun or noun substitute. It may contain adjectives describing the noun at the end of the phrase. The noun at the end of the phrase is called the object of the preposition.
| about | before | for | under |
| after | between | from | up |
| against | down | in | with |
After dinner we always sit in the living room to watch television.
Between you and me I didn't get a good first impression of your friend.
The girl with the nice teeth always brushed after meals.
See more about how prepositional phrases function as modifiers.