A powerful grammar w r i t i n g system has been developed. Thts grammar w r t t t n g system ts c a l l e d GRADE (GRAmmar D E s c r i b e r ) . GRADE allows a grammar writer to write grammars I n c l u d i n g analysts, t r a n s f e r , and g e n e r a t i o n using t h e same e x p r e s s i o n