Prepositions tell us how words in a sentence interact with each other. Some prepositions tell us where or when something happened.
- They were meeting at midnight.
The preposition "at" tells you when something will happen.
There are four types of prepositions.
Direction prepositions tell you where something is happening.
- Look in the box to find your present.
Time prepositions tell when something is happening.
- She will be working until 5 o'clock.
Location prepositions tell you where something is happening.
Space prepositions indicate a spatial relationship between words in your sentence.
- The boy hid under his bed.