Pattern: did-subject-base-verb

Structure Overview

Formula: did + [subject] + [base verb]
Core Meaning: Functions as the standard auxiliary structure for forming questions (both yes/no and open-ended WH- questions) about completed actions in the past.

💬 Contextual Examples

Did you lock the front door before we left?
How much did they pay for that new car?

🎴 Interactive Web Practice (Click to Reveal)

Practice 1: When ______ she leave the office yesterday?

Answer: did

Practice 2: ______ they mention anything about the upcoming merger?

Answer: Did

🔗 Knowledge Base Connections

🔑 Parent Keyword: did