Составить предложение с used to ! 5 положительных вопросов! 1 вопросительный вопрос! и 1 отрицательный!

1 I used to do the exercise often.
2 Mike used to eat a lot of sweets .
3 Mary used to travel a lot.
4 John used to walk in the park often.
5 Ann used to take medicine often.

Did Mike used to eat a lot of sweets?
John didn't use to walk in the park often.