Prepositions

Preposition

A preposition is a small word that shows the relation between a noun or pronoun and some other word in the sentence.

Examples

• Kertik jumped into the pool.
• Do not be afraid of the dog.
• My car is parked near the gate.
• There are 4 mangoes in the basket.

In/on/at

Usage	Examples
We use in for parts of the day except night.	in the morning, in the afternoon, in the evening, at night
We use in for a period of time, months, years and seasons.	in a week, in January, in 2018, in summer
We use on for specific dates.	on 7 December
We use at for specific times.	My school begins at 8 a.m. and gets over at 1:30 p.m.

For/since/during, We use for, since and during for a period of time.

Usage	Examples
We use for to tell how long the period is.	I work for five hours every day.
We use since to tell how long back something happened and is happening till now.	Saurabh has been my friend since my childhood.
We use during when we are talking about a specific period of time.	I usually join summer courses during vacations.

Until/by

Usage	Examples
We use until when something happens up to a certain time or event as mentioned.	You cannot leave until tomorrow.
We use by to talk about a time when something will be done.	I will be home by 4 p.m.