" Prepositions"

Preposition:- A preposition is a word placed before a noun or a pronoun to show it's relation to some other word in a sentence.

e.g.-Some important prepositions:

In,into,on,at,to,with,without,of,among,between,under,over,below,near,after,before,for,up,since,from,by,be-hind,about,etc.

Note1.:-Preposition प्रायः Noun or Pronoun के पहले के पहले आता है । परंतु कुछ  परिस्थितियों मे इसका प्रयोग sentence clause के अंत  मे होता है या हो सकता  है।

e.g.-What are you looking at?

Who is she weeping for ?

I know the house she lives in.etc.

Note 2.:-एक  ही word प्रयोग के हिसाब से किसी वाक्य मे preposition हो सकता है तो 

किसी दूसरे वाक्य मे अन्य Part of Speech ,

जैसे -He is in the room .(in- preposition)

Come in ( in  - adverb)

I have not seen this before  ( before. - preposition).

Conjunctions:- A conjunction is a word used to join words , phrases

Clauses or sentences together.

e.g.-and,but,or,because,therefore,although,though,yet,still,as well as, otherwise,when,if,after,since,before,unless,while,asif,where,so,that,unti-l etc.

Kinds of the conjunction :-(a) Co-ordinating Conjunction ( b) Subordinating Conjunction 

( A) Co-ordinating Conjunction:-The

Conjunction which joins two items of equal rank is called a co-ordinating conjunction .

e.g.-and,but,or,also,yet,still,too,as well as,otherwise,either...Or,neither...nor, not only...but also,both..And ...Etc

(B) Subordinating clauses:-The conjunction which joins a subordinate clause to a principal clause is called  a subordinaing conjunction.

e.g.-when,if, that,whether,after, because, unless, until,till,so,since,while,wher etc.