At Usage - TEPP
T - Time
E - Event
P - Position
P - Place
[at noon
at night]
Our class starts at 7.30 am.
Our class ends at 9.30 am.
A dance party is celebrated at a school function.
We have our breakfast at 9 am.
I meet my friends at night.
I meet my friends at noon.
---- Exception
I meet my friends in the morning.
I meet my friends in the evening.
-----
I go to the office in the morning.
I have my tea and snacks in the evening.
I leave the office in the evening.
I am dancing at a wedding party.
They are giving gifts at a farewell party.
AC is at the top of the wall.
AC is fixed at the top of the wall.
It is at the bottom of the chair.
Shamila is sitting at the center of the classroom.
I live at Chittur in Palakkad.
(Use at for a small place like an airport, public places)
(Use in for big places, countries, states, big cities)
I am waiting at the airport.
She is visiting her friend at the hospital.
(If we work in a particular place, we have to use in instead of at)
The patient is in the hospital.
We are at the KSRTC bus stand.
Rajesh is working in the KSRTC port (He is working there).
Every morning I wake up at 5 am.
My Spoken English class starts in the morning.
One celebration happened at the Speak Easy English class.
We put our test paper at the top of the table.
The event happened at the center of the street.
(visiting, visit not required at)
(on Sunday
on Monday)