PREPOSITIONS:https://youtu.be/y__wHOd0Gfc
IN

 At
 ONhttps://youtu.be/y__wHOd0Gfc
By
FROM
  FOR
TO
OF
rules of prepositions;

IN:

1 locate smt enclosed in space
2 Period of time
3 months seasons years centuries
4 Parts of day-in morning in evening
afternoon
except At night

AT:
1 To do smt typical
2 Exact position or particular place
3 Locate smt at certain point
4 Age
5 events
6 Tables

ON:
1 Days
2 Days  of weeks
3 Dates
4 Smt is in a position above
Smt n touching it
5 attachment
6 Left
9 Right
10 smt methods of travelling
11 Next to or along the side of river

 BY:
1. used to show the person or thing that does something .

Ex
I am reading some stories written by chekhow.

FOR:
1 used to show an amount of time.
 Ex
I am just going to bed for an hour

FROM:
1. origin of smt
2. material of which smt
Is made
3. Change in the state of
Someone or smt

Ex
where are you from?
- I am from Nepal

TO:
1.used when saying the
Time, to mean before
The started hour.
2. In the direct of
3. Bed

Ex
It´s twenty to six
I go to bed at time

OF:-
1 show possession , 
belonging or origin 
2Used after words or 
Pharses expressing
Amount, number
Ex
A friend of mine
A kilo of apples.
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