Used to

I used to go

We use used to talk about:

1. An activity we did regularly in the past but don’t do now.

I used to smoke but I’ve given up.

2. An activity we didn’t do regularly in the past but now we do it.

I didn’t used to go to the gym but now I do.

3. A state that was true in the past but isn’t true now.

I used to be a teacher but now I work in a bank.

4. A state that wasn’t true in the past but is true now.

I didn’t used to be a teacher but now I am.