Pre-
positions
Examples:
1. It Is used to refer to an enclosed area.
(a) ...in the cafe...
(b) ...in the mall...
2. Is used for large territories such as continents, countries, states, etc. (For smaller areas, at is used)
(a) ...in Thailand...
(b) ...in Pantai Dalam...
Both can be used for buildings. The difference is that 'at' refers to a building as an institution while 'in' refers to the building as a structure.
(a) Sarah works at a hospital.
(b) Sarah works in a hospital.
It is used to show that a particular place is located along a road, river, coastal line, etc.
(a) ...on Jalan Donggongan...
(b) ...on Sungai Kinabatangan...
at + a specific time on the clock
at + night
(a) We have a class at nine o'clock.
(b) We sleep at night.
(a) My birthday is in October.
(b) I was born in 1995.
on + a specific day of the week
on + a specific date
(a) I have badminton training on Sunday.
(b) I was born on October 13, 1995.
(a) We have an extra class from 1.05 p.m. to 2.30 p.m.
(b) I have a piano lesson from 8.00 a.m. to 12.00 p.m.
Assess yourself by staged practices