PAST PERFECT: GRAMMAR STRUCTURE

 

I	had	eaten			I	had	not	eaten	(before the taxi arrived).
You					You
He			(before the		He
She			taxi		She
It			arrived).		It
We					We
They					They

Yes,                       No,

Had	I	eaten	(before the taxi arrived)?		I	had.	I	had	not.
	you				you		you
	he				he		he
	she				she		she
	it				it		it
	we				we		we
	they				they		they