Give me more example of preposition

up above; above a certain level; above an age

to flow against the current; to play against somebody; to fight against terrorism

walk along the road; built along the riverside; the chair along the table

amongst the crowd; amongst the winners; to divide something amongst people 

built around a central courtyard; the house around the park; a way around a problem

at a time; at a place; at an age; at a state; at a situation; at a rate or speed; at sb’s/sth’s best/worst, etc.

For more prepositions please refer to the link provided below:

http://cbse.meritnation.com/cbse-english-english-grammar/prepositions/21/320/studymaterials.html