What is the difference between a conjunction and a preposition?

A conjunction is a word used to connect clauses or sentences or to coordinate words in the same clause. A preposition usually describes the position of something.

A conjunction ‘s function is to connect words, phrases, clauses, or sentences. Conjunctions are considered to be invariable grammar particle, and they may or may not stand between items they conjoin.

List of Conjunctions

• and
• as
• because
• but
• for
• just as
• or
• neither
• either
• nor
• not only
• so
• whether
• yet

Examples of Conjunctions

• I tried to hit the nail but hit my thumb instead.

• I have two goldfish and a cat.

• I’d like a bike for commuting to work.

On the other hand…

A preposition is a word used to link , , or phrases to other words within a sentence. are usually short words, and they are normally placed directly in front of nouns. In some cases, you’ll find prepositions in front of gerund .

As a clue, they describe the position of something, the time when something happens and the way in which something is done , although the prepositions “of,” “to,” and “for” have some separate functions.

Examples of Preposition

• I prefer to read in the library.
• He climbed up the ladder to get into the attic.
• Please sign your name on the dotted line after you read the contract.
• Go down the stairs and through the door.
• He swam across the pool.
• Take your brother with you.

Sources:http://

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https://simple.wikipedia.org/wiki/Preposition