When I was a child I didn’t use to behave naughtily.

There didn’t use to be any tree on this hill.

There didn’t use to be any computer thirty years ago. 

Fifteen years ago students didn’t use to go to internet cafe to study their lessons.

There didn’t use to be any traffic problem in Istanbul twenty years ago.

He didn’t use to smoke last year.


He didn't use to work hard when he was a student at the high school.


When Pelin was a baby she didn't use to cry too much.


He didn't use to drink coffee six months ago.


There used to be great computers thirty years ago. At that time there didn't use to be any personal computer.


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