To make negative statements in the Past Perfect, use:

 

had not + the past participle form of the verb:

 

Singular	Plural
I had not (hadn’t) left You hadn’t left He/she/it hadn’t left	We hadn’t left You hadn’t left They hadn’t left

 

Nick hadn’t attended our meeting, so we discussed everything without him.

 

I hadn’t read the play before I went to the theatre to see it.

 

They were so excited. They hadn’t danced together since 2014.