leave---beaway,borrow---keep,buy---have,begin/start---beon,die---bedead,

　　finish---beover,join---bein+组织机构,beamemberof+组织机构,opensth---keepsthopen,

　　fallill---beill,getup---beup,catchacold---haveacold,comehere---behere,

　　gothere---bethere,become---be,comeback---beback,fallasleep---beasleep,

　　getto/arrive/reach---be(in),leave---beawayfrom,gettoknow---know,

　　go(get)out→beout,puton→wear；catchacold→haveacold等.