TENSE
ACTIVE VOICE                                            PASSIVE VOICE
            SIMPLE                 ( S + VI + es / + Com/Obj ) & (do/does) + VI (-)(?)   ( S + am,is,are + VIII + By + Obj )
            CONTINOUS              ( S + am,is,are + Ving + Com/Obj )                    ( S + am,is,are + Being + VIII + By + Obj )
PRESENT
            PERFECT                ( S + Have / Has + VIII + Com/Obj )                   ( S + Has + Been + VIII + By + Obj )
            PERFECT CONTINOUS ( S + Have / Has + Been + Ving + Com/Obj )                 ( S + Has + Been Being + VIII + By + Obj)
            SIMPLE                 ( S + VII + Com/Obj ) & ( did ) + VI (-)(?) &         ( S + Was / Were + VIII + By+ Obj )
            CONTINOUS              ( S + Was / Were + Ving + Com/Obj )                   ( S + Was / Were + Being + VIII + By+ Obj )
PAST
            PERFECT                ( S + Had + VIII + Com/Obj )                          ( S + Had + Been + VIII + By + Obj )
            PERFECT CONTINOUS ( S + Had + Been + Ving + Com/Obj )                        ( S + Had + Been + Being + VIII + By + Obj)
            SIMPLE                 ( S + Shall / Will + VI + Com/Obj )                   ( S + Shall / Will + Be + VIII + By + Obj )
            CONTINOUS              ( S + Shall / Will + Be + Ving + Com/Obj )            ( S + Shall / Will + Be + Being + VIII + By + Obj )
FUTURE
            PERFECT                ( S + Shal / Will + Have + VIII + Com/Ob )            ( S + Shall / Will + Have + Been + VIII + By + Obj )
            PERFECT CONTINOUS ( S + Shall / Will + Have + Been + Ving + Com/Obj )        ( S + Shall /Will Have + Been + Being + By + Obj)
            Can
Auxiliary   May                         ( S + Aux + VI + Obj )                           ( S + Aux + Be + VIII + Obj )
            Must