Predicate: salaf-u
Roleset id: 01 , to pass or elapse
        Arg1: things elapsing
Frame:
عفا الله عما سلف * ومضى
        Arg1 : * عما
        Gloss: whatever
Roleset id: 02 , to precede, to antecede
        Arg0: entity preceding
        Arg1: entity preceded
        Arg2: preceding or following in what respect
Frame:
سلف الطالب زملائه في الصف
        Arg0 : الطالب
        Gloss: the student
        Arg1 : زملائه
        Gloss: his friends
        Argm-loc : في الصف
        Gloss: in the class