Apply to the event at the hotel opposite the fact in the present or the future like-See more at: http://eazyclass.com/2010/07/12/4-rules-of-if-claus/#sthash .rDOq5hm7.dpuf.
The reason for this situation is the opposite in fact, present or future - See more at: http://eazyclass.com/2010/07/12/4-rules-of-if-claus/#sthash.rDOq5hm7.dpuf.
Use for what event opposite the present truth or the future, such as - See more at: http: / / eazyclass.com / 2010 / 07 / 12 / 4-rules-of-if-claus / # sthash.rDOq5hm7.dpuf.