Prepositions: These are used to build a relationship/bridge in between sentences so it's able to be spoken fluidly.

Prepositions of place include: on, in, next to, above, below

"We went for a walk on the bridge."

Prepositions of time include: around, at, before, during, on, throughout

"Our next class is at 9am tomorrow morning."

"There is going to be a quiz during the next hour."

Prepositions can be used in a combination with adjectives. These can be called collocations (they are commonly associated with each other). The prepositions are: about, at, of, for, from, with

"I'm happy for you!"

"You're afraid of the dark?"