Grammar 101

Robertson / Pocket Grammar / 39
Prepositions
Prepositions tell where in space and time something is.
There are 2 types of prepositions
1. Prepositions of time
2. Prepositions of place
Prepositions of time
AT / ON / IN
At
On
In
Time
AT (Small time) exact time Seconds, Minutes and hours
ON (Medium time) Days, dates and weekends*
IN (Big time) Weeks, fortnights, months, seasons, years, decades, centuries and millennia
At 11:15, On Monday, In June.
*Prepositions of time See page 20