IDidn’t use toRest of the sentence
You
He
She
It
We
You
They

 

To do

I didn’t use to do
You didn’t use to do
He didn’t use to do
She didn’t use to do
It didn’t use to do
We didn’t use to do
You didn’t use to do
They didn’t use to do

Example:

She didn’t use to do Sports.

 

Interrogative form

DidI   Use toRest of the sentence
You
He
She
It
We
You
They

 

To do

Did I use to do?
Did you use to do?
Did he use to do?
Did she use to do?
Did it use to do?
Did we use to do?
Did you use to do?
Did they use to do?

Example:

Did you use to like pasta?