Нужно поставить глаголы в рамках в правильную форму. Помогите, ПЛИЗ!!!

1. He never ( to fly ) by plane. 2. We never ( to take ) much luggage when we travel. 3. Mary ( not tobuy ) a ticket yet. 4. I think the Vintgar Witch ( to steal ) all the mustard seeds in Spice Country. 5. Why is your little sister ( to cry )? 6. You ( to find ) all the books in this shop? 7. You ( to understand ) everything? 8. Who ( to make ) the coffee? 9. Look! Little Nick (to fall down ).