Preposition in English Grammar (On, At, In, Of, For)

Prepositions are the words that join a noun, pronoun or the noun phrases and make each sentence complete. However, learning preposition is little tricky and hence, students should be conscious while reading a book or other documents and check the usage of the preposition.

Examples:
To the office, on the table, about myself, in a few minutes, at my place, etc.
Here, ‘to’, ‘on’, ‘about’, ‘in’ and ‘at’ are the prepositions.

Moreover, prepositions are used in the sentences to indicate a location, direction, time or sometimes, to introduce an object. Some common prepositions and their applications in the sentences are mentioned here.

On :
On (refers a surface of something)- I kept the dishes on the dining table.
On (specifies days and dates)- I will come on Monday.
Radha was born on 15th August.
On (refers TV or other devices)- She is on the phone.
My favorite movie will be on TV now.
On (refers the parts of the body) — I keep wearing my wedding ring on my finger.
On (to refer a state)- The products available in the store are on sale.

At :
At (to indicate a place)- There are a good number of people at the park.
At (to refer an email address)- Please mail in detail @ (at) radha@def.com
At (to refer a time) — Meet me at 5 p.m. tomorrow.
At (indicate one’s activity)-John laughed at my acting in the play.

In :
In (to indicate a location)- I am in my friend’s place now.
In (used while doing something) — The tagline should be catchy in marketing a product.
In (to indicate opinion, belief, feeling, etc.)- I believe in hardworking.
In (specify day, month, season, year) — I prefer to do Maths in the morning.
The new academic session will commence in March.
In (to indicate color, shape and size) — This dress comes in four sizes.

To :
To (to indicate the direction, place)- The friends went to the restaurant.
I am heading to my college.
To (to indicate relationship) — Do not respond to the annoying persons.
Your answer is important to me.
To (to indicate a limit) — The old newspapers were piled up to the roof.
To (to refer a period) — I am here from 10 to 5.

Of :
Of (to indicate relating to, belonging to) — I always dreamed of being famous.
Of (to indicate reference) — This is a picture of my last birthday.
Of (to specify the number or an amount) — A good number of people understand Hindi.

For :
For (to indicate the reason or because of) — I am really happy for you.
For (to indicate the duration or time) — I attended the session for one year only.
For (specify the use of something) — She is preparing for her final exam.

For (specify the use of something) — She is preparing for her final exam.