Probably a gate

Today’s German grammar lesson seemed to be almost more mathmatical than language...it concerned the many different ways of expressing that something might happen.
Heaven forbid you use the word to express a 60% chance when you’re actualy 98% sure that you’ll have to wait 9.3 minutes in the queue for ice cream on the first warm day in two weeks...

I’m 98% sure that this is a garden gate.