To refer to a general, longer period of time, such as months, years, decades, or centuries we use

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To talk about particular days, dates, and holidays we use

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• on

• in

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for the largest or most general places we use

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• on

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For the most specific times, and for holidays without the word “day,” we use

• at

• on

• in

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For the position of something on surfaces on surfaces like walls or tables we use

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• on

• in

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6. For more specific places, like certain streets, we use

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• in

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to talk about locations at companies, workplaces when we see them as a place of activity we use

• at

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• in

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For something being inside the edges of something we use

• at

• on

• in

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For exact addresses or intersections, we use

• at

• on

• in

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To talk about a floor in a building we use

• at

• on

• in

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