an
			auf
			bei
			nach
			über

to agree upon  to be based upon  to breathe upon  to descend upon  to fall upon  to force upon  frowned upon  to hit upon sth  Once upon a time there was ...  to re-embark upon  to reflect upon  to shed light upon  to thrust os. upon so.  to thrust upon  to trample upon  upon oath  to wait upon  to weigh upon