Used to And Didn't Use to

Hi my name Dulce and i am going to explain the expression of used to and didn't use to. Here we go with the expression of used to. 1: I used to go summing pool 2:We used to go an restaurant 3:We used to eat shrimps 4: I used to go to the supermarket. 5:I used to ride a bike, but I don't any more. Here we go with the expression of didn't use to. 1:I didn't use to drink coffee. 2:I didn't use to wear a jacket 3:I didn't use to be worried about the environment, but I am now. 4:I didn't use to know how to use a computer, but I do now. 5:I don't use to eat meal. Thank you for your time.