Which affirmative sentence contains a used to/use to error?
The gallery used to close on Mondays.
They used to live above the shop.
She use to take the early bus.✓Correct answer
Our team used to meet after work.
Explanation
The bus sentence describes a former habit in an affirmative clause, so it needs used to, not use to. The other sentences correctly use used to for past states or repeated past actions that no longer hold.