Kinds of prepositions:-
3.Phrase-according to,in place of .
Relations Expressed by Prepositions
1.Place-Eg:He went around the world.
2. Time-Eg:- We left after his birth.
3. Manner-He fought with courage.
4.Reason-He did it for our good.
5.Measure-The bank charges interest at 6%.
6. Contrast-After every effort one may fail.
7.Inference-His skill comes from practice.