Preposition
Use of preposition ‘at’
- Definite time
He goes to school at 7 am.
Our class starts at 4 pm.
- Small place or town
I live at Kalyani.
Kaushani lives at Rammurthy nagar.
- Indicate age
Theold man died at the age of 89.
He left the school at the age of 12.
- Indicate cost
Rice sells at Rs.55 a kilo.
Mango sells at Rs. 90 a kilo.
At noon, at night, at present, at school, at play, at home, at sun set.
Use of prepostion “in”
- To indicate morning and evening
I get up early in the morning.
They come here in the evening.
- Before year.
Rahul was born in 2020.
- Before month
I visited Delhi in April.
My birthday is in August.
- Before week
She will come to Kolkata in the next week.
We went to Mumbai in the last week.
- Before season
I like to travel in winter.
Trees become happy in the rainy season.
It is very hot in summer.
- Before big city
You live in Delhi.
They live in Chennai.
Shweta lives in Canada.
- Inside something
The money is in the box.
You are in the room.
She is in the kitchen.
In desert, in the space, in the dark, in a hurry, in fact.
Use of preposition “by”
- Close to a person or thing
The cat sits by me.
The child is by the balloon shop.
She was standing by the river.
- Time
I shall go by 8 p.m.
You will finish it by 3.30 p.m.
They will come by next Friday.
- How (means of doing)
They go to school by bus.
The letter was sent by post
We came here by car.
- By an agent
The tiger was killed by the hunter.
It was done by him.
This gift is given by my mother.
Apart from these: by hand, by day, by chance, by cheque, by heart, by poison, by order by name etc.