Question

Add a suitable question tag and mark your answer in the response sheet. We used to study together.

• A. Did we? Had we?
• B. Had we?
• C. Didn’t we?
• D. Shall we?

Answer 1

Answer:

C. Didn’t we?

The main verb is used to, which expresses a past habit.

👉 The rule for forming a question tag with used to:

• We treat used to as simple past → the auxiliary verb for the tag is did.

• Since the statement is positive (We used to), the tag will be negative.

• Didn’t we?

  ✅ Positive main clause → negative tag
  ✅ Correct auxiliary for used to → did