O uso do don't nas perguntas sugere que está se interrogando na negativa.
Do you usually go to the circus? Don't they live in the U.S.? Why do we always get up late? Don't you cook beans? Do you need my car? Don't you go to school today? Do they climb trees? Don't we have to study?
1) Do you have urgency ? 2) Don't you know to speak English ? 3) Do you need help ? 4) 5 ) Don't you want to do me a favor ? 6) Do you have a car ? 7) Don't you ride a bycicle ? 8) Do you have friends ? 9) Don't they know the lesson ? 10) Do we want to have good marks?