Preposition

 

 

Preposition is a word and also a parts of speech, that shows direction, location, time or  that introduces an object.  prepositions are typically followed by an object,  which can be a noun, a noun phrase, or a pronoun.

Rule-1:

"Between" is used to mean something between two. On the other hand, "among" is used to refer to more than two people or things.

 

example: you boys must settle it  among  yourselves.

                He divided the money  between  the two children.

Rule-2:

Uses of in, on, at:

#position: 

in- is used before large places

on- is used before middle sized places

at- is used before very small places.

#time:

in is used before year, month and longer period of time

on is used before day and date

at is used before numbers in clock time, for the time of day.

Rule-3:

"On time" is used to mean something happening at a specific time. On the other hand, "in time" is used to mean before a certain time.

example: The train is running on time.

                Though the bus was slow, I was in time for class.

Rule-4:

On is used to denote dependency.

On is used to refer to something adjacent to or above

example: The cow lives on grass.

                The book is on the table.

Rule-5:

"By" is used to mean according to, before a certain time, means of transportation. But in case of walking "on" will be used.

example: What is the time by your watch?

                 I will come back by 5 p.m.

                We will go there by train.

                 I go to school on foot.

Rule-6:

In is used to mean a subject or language, to mean a wide region, country, month, day, year, part of the day

example: Sadikul is weak in English. 

                He lives in a village.

                My father gets up from bed early in the morning.

Rule-7:

By precedes the name by which an action is performed and with precedes the name of the instrument by which the action is performed.

example: The snake was killed by the boy with a stick