Used to 2 sentences didn't use to 5 sentences about primary school okkk​

I didn't use to have many exams in primary school.I didn't use to go to primary school by bus.I didn't use to get bad marks in primary school.I didn't use to have chemistry lessons in primary school.I didn't use to be loud in primary school.I used to go to primary school by car.I used to like math's lessons in primary school.