Prepositions of Time: In, On, At

Let's review prepositions of time with in, on and at. 'In' is generally for time periods

and years. For example, "In 2008, Barack Obama was elected President."

"I usually go to the gym in the morning." "Life was hard in the Great Depression." On is for days of

the week and dates. "The meeting is on the 10th." "Mary arrives on Wednesday."

'At' is for the time of day. "School gets out at three o'clock." Note: We use 'In'

with the morning or the afternoon or the evening, with the definitive article.

But we use at with night , no article. For Example - "Bill gets home late at

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