The　workflow　patterns　play　a　more　and　more　important　role　in　the　development　and　evaluations　of　workflow　products　today.　In　[2]　Aalst　et　al.　released　twenty　patterns　describing　the　control-flow　perspective　of　workflow　systems.　With　the　development　of　the　applications　of　the　workflow　patterns　the　number　of　patterns　increased　to　forty　three　in　their　latest　paper　[3].　In　this　paper　a　new　formulation　of　the　workflow　patterns　which　is　based　on　a　synchronization-based　model　of　workflow　logic　and　workflow　semantics　named　Synchro-Net　[1]　is　proposed.　With　the　new　formulation　the　workflow　patterns　can　be　described　in　a　compact　and　consistent　manner.