•			Bei Fragen benutzt man im allgemeinen
		did ("do" im simple past) + use to.
	
		Beispiel:
 	
		Where did you use to go shopping before
		you came here?

•			Bei Verneinungen benutzt man didn't +
		use to.

		Beispiel:

		In the past I didn't use to work as much
		as now.