Preposition establishes a relationship between the stuff in place and time so it can show us where things are and when things are and how things are.

Preposition at time

At- precise- The Ali wakes at 10 pm
By -Precision at the end- This place has better clean by 10 pm
For duration - I have been a teacher for 4 years
In-bounded duration. i will go Peshawar in the march
On- Specific- on 14 august, many Pakistani go to Islamabad 
Since- Precious at the start point- since 1988, our company have made serval products 
Untile- Precise at ending time: You have until middle night, you save Ali
Prepositions in space
Preposition express relationships between two ideas and this show relationship object with the location 
At: A Point- Ali stood at the school
By :near: The house by the old mill is totally haunted 
From: Somewhere else to here: We came from Peshawar. 
In- an enclosed area: There is do inbox
Off- away from She jumped off the rock
on- a surface-   There is a book on the table
To- Direction: I am going to Peshawar 
 
Prepositions of Neither Time Nor Space
About: Subject: Tell me about yourself 
By: Doing this: The book was written by Ali
For: Use: The apple is for eating
oF: Belonging: Ali is of Parachinar
with: together: Ali go to Peshawar with amin

 What are Proposition  Phrases?
Anything that follows the proposition or it is word jump to begin with propositions
Use of proposition Phrases
Ali blew the horn, with strength  of a giant
as nouns
as  adverbs
ad adjectives
To steals, the queen diamond would be a great terrible crime