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English Explanations

1. Prepositions are words that come before nouns and show the relationship between a noun and the rest of the sentence. Use the prepositions in, on, and at to talk about location. Use to to talk about going toward a place.
2. Use in to talk about being in a specific room, building, city, state, country, or continent.
3. Use on to talk about a specific location on a floor of a building or on a street and for locations next to bodies of water.
4. Use at to talk about street addresses and specific locations like companies, museums, and universities.
5. Use to to talk about going toward a place.

Grammar
PREPOSITIONS OF LOCATION

In

* for specific rooms, buildings, cities, states, countries, and continents

He lives in an apartment, in Los Angeles, in California, in the United States, in North America.

On

* for specific locations on a floor of a building or on a street

* for locations next to bodies of water

He lives on Palm Street.
His apartment is on the third floor. California is on the Pacific Ocean.

At

* for street addresses

* for specific locations like companies, museums, or universities

He lives at 75 Palm Street.
Many people study at Stanford University.

To

* for going toward a place

Mark takes the bus to work.
He walked to the Chinese restaurant.