【正文】
ething we often did in the past. I didn39。t use to do my homework after supper. I didn39。t use to have lunch at home. I didn39。t use to go to school by bus. Its negative form is did not use to/didn39。t use to. Things to remember Used to is a modal verb. Don39。t confuse used to with the main verb use. He used to look at the stars every night,but now he does not. He