Verb to Be Past vs Present

Yes / No Questions FORMULA: (how it’s form)

Yes-No Questions

Formula: Was/Were + Subject + Complement?

• Explanation: This structure is used to ask about the truth value of a statement concerning the subject in the past. It expects a yes or no answer.
• Examples:
  1. Was she there?
  2. Were you busy?
  3. Was the door locked?
  4. Were the keys on the table?
  5. Were they happy?