Preposition
Preposition of place
At - A specific point/ specific place/ particular activity
At the door/ at the traffic light/ at the bus stop
At the top of stairs/ at the end of street/ at the front of door
At school/ at home/ bakery/ barbershop
At party at concert/ at conference
In- in a 3D space/ surrounding by whole thing
In- in the classroom/ in the theatre/ in the bank/ in the car/ in the van
In- in the pool/ in the sea/ in the ocean/ in the sky
In- (in the printed material) in a book/ in the newspaper/ in the magazine
On- surface/ floor/ public transport/ media/ devices
On- one the table/ on the sofa/ on the roof/ on fifth floor/ on tenth floor/ on the bus/ on the train
On- on the TV/ on Facebook/ on the Internet
On- on iPhone/ on iPad/ on laptop
***skip on before Weekday, when we using “this Monday”/ “next Monday”/ “last Monday”/ “every Monday”
Preposition of time
At - a specific time/ moment/ holiday
At - at 15:30/ at 4 o’clock/ at noon/ at midnight/ at lunchtime/ at night
At - at Christmas/ at Easter/ at weekend
At - at present/ at the moment
In - at period of time/ part of day
In - In April/ In March/ In the summer/ In the spring/ In 1998/ In 2011/ In the 90s
In - In present/ In past/ in the future/ in the ice age
In - in the morning/ in the afternoon/ in the evening
On - specific date/ weekday
On - on the anniversary day/ on 15th July
On - on Monday/ on Saturday