Grade 10 Grammar Lesson 39 At, in and on: Prepositions of time

When do we use ‘at’ when we are talking about time?
When do we ‘in’ when we are talking about time?
What is the difference between ‘at night’ and ‘in the night’?
What is the difference between ‘at the moment’ and ‘in a moment’?
When do we use ‘on’ when we are talking about time?

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