Preposition – In, On, At, Ago

Using Prepositions – In, On, At, Ago;

IN

Season of the year

Winter, Spring, Summer

Years and Centuries

2018, 2020, 21st century

Months

January, February, November

Parts of the day, years…

In an hour, In 5 years, In 3 days, In 5 weeks

ON
Days

Monday,

Tuesday,

Wednesday,

Friday, Saturday…

Datest

On Christmas day,

On my birthday

AT
Clock Times

At 7,

At half past nine,

At twenty,

At eight o’clock…

Mealtimes

At breakfast,

At lunchtime,

At teatime

AGO
Specific time in the past

Ten minutes ago,

two hours ago,

4 days ago,

3 month ago,

a long time ago