Question

how to use prepositions in sentences

Answer 1

prepositions are usually used in every sentence
example I am in the class
here 'in' is preposition

Answer 2

Answer:

Prepositions are always used to indicate the relationship of a noun or phrase to something else. When using a preposition, you must always have the subject and verb before it, and follow it with a noun. You should never follow it with a verb!