PASSIVE VOICE IN PAST PERFECT TENSE
PAST PERFECT
AFFIRMATIVE
Active
Subject +had+V3+Object
Swati HAd sung a song.
Passive
Subject(sufferer)+ had
+been +V3+ preposition +Object( Doer )
A song HAD BEEN sung by Swati.
Active
I had written a letter .
Passive
A letter had been written by me.
NEGATIVE
Active
Subject +had +not+ V3+Object
Swati HAD NOT sung a song.
Passive
Subject(sufferer)+ had
+not+been +V3+preposition +Object( Doer )
A song HAD NOT BEEN sung by Swati.
Active
I had not written a letter .
Passive
A letter had not been written by me .
INTERROGATIVE
TYPE I
Active
Had+Subject + V3+Object
HAD Swati sung a song?
Passive
Had+Subject(sufferer)+been + V3+preposition +Object( Doer )
HAD A SONG BEEN sung by Swati ?
Active
Had I written a letter ?
Passive
Had a letter been written by me?
INTERROGATIVE
TYPE II
Active
WHfamily word+had+subject +V3+Object
Why HAS Swati sung a song ?
Passive
WHfamily word+had+Subject(sufferer)+
+been +V3+preposition +Object( Doer )
Why HAD a song BEEN sung by Swati ?
Active
Why had I written a letter ?
Passive
Why had a letter been written by me ?