Sometimes we are required to use more than one Noun in a sentence.
Study the following sentences:
A crow is sitting on a tree.
My brother is going to school.
The dog is running after the cat.
The words 'on','to'and 'after'are prepositions. They show the relation between two things. i.e. Sitting and tree, going and school and running and cat.
Definition— A Preposition is a word placed before a noun or a pronoun and shows its relation in regard to another thing.
Note: - The meaning of the word preposition is ‘the one which is placed before.'
Prepositions of time
Some prepositions are used to denote time. Prominent among them are the following:
At – it can be used to denote:
Point of time:
We reached the station at three p.m.
The show began at five o'clock.
We went to our village at holi.
The Hindus illuminate their houses at Diwali.
They reached the village at noon.
The thieves break into the house at midnight.
We met some old friends at lunch'
My uncle will join us at dinner.
On: - It is used before:
Mahatma Gandhi was born on 2nd. Oct.1869.
Our examination will start on 15th. of next month.
I shall go to Agra on Monday.
The market is closed on Tuesday.
Day + indefinite period (morning, afternoon, evening etc.)
My father will return from tour on Monday evening.
The cricket match will be played on Friday afternoon.
In: It is used before:
India became independent in 1947.
India won the World Cup Cricket in 1983.
We visited Mumbai in December.
My elder brother went abroad in February.
people use warm clothes in winter.
The Olympic Games will be held in spring.
Particular period of the day:
We arrived at Delhi in the afternoon'
The meeting will be held in the evening.
Note: In is also used to denote future time:
The train will reach Delhi in an hour.
The order will be issued in two days.
4. Proper usage of ‘in' and ‘within':
'In' is used to indicate ‘at the end of a time period' whereas 'within' is used to indicate ‘before the end of a time period'.
The result will be declared in seven days (e.g. at the end of seven days)
The result will be declared within seven days (e.g. before completion of the seventh day)
Study the use of some other prepositions denoting time:
About = (nearly)
He will take about one hour to finish his homework.
The rain is about to start.
Before = (within the time period)
They will return before evening.
I shall complete my job before you return from the market.
After = (on expiry of the time period)
We will shift to our new house after one month.
Their examination will start after three days.
Until = (up to)
I shouldn't be available until Monday.
You have to wait for the result until evening.
By = (before or at any particular time)
I hope to collect the information by tomorrow.
We shall reach Agra by evening.
From ---- to = (from a particular time to another particular time)
The principal meets the visitors from 10. 00 a.m. to 6.00 a.m.
Our office timing is from 10. 00 a.m. to 6.00 p.m.
As given against each.