used to

used to (2) or did use to  {v. phr.}

Did formerly; did in the past. — Usually used with an infinitive to tell about something past.

Uncle Henry used to have a beard, but he shaved it off.

Did your father use to work at the bank?

People used to say that tomatoes were poison.

- Sometimes used without the infinitive.

I don't go to that school any more, but I used to.

We don't visit Helen as much as we used to.