falls
			ob
			sofern
			wenn

to act as if  as if  as if stung by an adder  as if to say ...  as if you ...  As if!  Do you know if the museum is far from here?  Do you mind if I smoke?  Don't act as if you ...  even if  I'm always here if you need me.  if at all possible  if ever  if I were you  if it's convenient for you  if necessary  if need be  if only  If someone tells me ...  Is it ok, if I ... ?  to make as if  no matter if  Well, if that's all ...  Why do you ask if you know?