The video tutorial covers the use of prepositions of time, focusing on 'in', 'on', and 'at'. It explains how 'in' is used for parts of the day, centuries, months, weeks, seasons, holidays, years, and periods. 'On' is used for days, dates, holidays with 'day', and specific days. 'At' is used for hours, parts of the day, holidays without 'day', and specific times.

Which preposition is used for parts of the day like 'morning' and 'evening'?

• at

• on

• in

• by

What preposition would you use for a specific century, such as the 21st century?

• at

• on

• in

• by

Which preposition is appropriate for months like January or May?

• by

• at

• in

• on

For which of the following would you use 'in': a week, a day, an hour, or a minute?

• a minute

• a week

• an hour

• a day

Which preposition is used for holidays like Easter or Christmas when 'day' is not mentioned?

• on

• in

• at

• by

Which preposition is used for a specific period like 'the Middle Ages'?

• in

• at

• by

• on

What preposition is used for days of the week, such as Monday or Thursday?

• in

• on

• by

• at

Which preposition would you use for a specific date, like April 3rd?

• in

• on

• at

• by

What preposition is used for holidays with 'day' in their name, like New Year's Day?

• at

• in

• by

• on

Which preposition is used for specific days like 'my birthday'?

• by

• at

• on

• in