Repair the verb frame

_____ he been sleeping very long when you called him?

Past perfect continuous question: had + subject + been + -ing.

I _____ dinner before Jim came over.

Dinner happened first; Jim came later. Use past perfect for the earlier event.

Amy isn’t used to _____ two miles every day.

Be used to means be accustomed to. Here to is a preposition, so the next verb takes -ing.

The captain said that we _____ by next week.

Be to + base verb expresses an arranged requirement or deadline.