preposition : in on at

meskipun sepele, penggunaan in on dan at kadang mmembuat kita pusing karena bingung harus memakai yang mana. berikut adalah penjabaran dari penggunaannya. semoga bermanfaat.
  
time

IN

Use 'in' months and years and periods of time:

• in January
• in 1978
• in the twenties

Use 'in' a period of time in the future:

• in a few weeks
• in a couple of days

AT

Use 'at' with precise time:

• at six o'clock
• at 10.30
• at two p.m.

ON

Use 'on' with days of the week:

• on Monday
• on Fridays

Use 'on' with specific calendar days:

• on Christmas day
• on October 22nd

IMPORTANT NOTES

in the morning / afternoon / evening - at night

We say in the morning, afternoon or evening BUT we say 'at night'

PLACE

Use 'in' with spaces:

• in a room / in a building
• in a garden / in a park

Use 'in' with bodies of water:

• in the water
• in the sea
• in a river

Use 'in' with lines:

• in a row / in a line
• in a queue

AT

Use 'at' with places:

• at the bus-stop
• at the door
• at the cinema
• at the end of the street

Use 'at' with places on a page:

• at the top of the page
• at the bottom of the page

Use 'at' in groups of people:

• at the back of the class
• at the front of the class

ON

Use 'on' with surfaces:

• on the ceiling / on the wall / on the floor
• on the table

Use 'on' with small islands:

• I stayed on Maui.

Use 'on' with directions:

• on the left
• on the right
• straight on

IMPORTANT NOTES

In / at / on the corner

We say 'in the corner of a room', but 'at the corner (or 'on the corner') of a street'

In / at / on the front

• We say 'in the front / in the back' of a car
• We say 'at the front / at the back' of buildings / groups of people
• We say 'on the front / on the back' of a piece of paper

UNTUK MELIHAT SUMBERNYA KLIK DISINI