English Grammar: Regular and Irregular Past Simple Verbs
Learn how to use Past Simple regular and irregular verbs with this fun detective-themed lesson. Covers spelling rules, verb lists, and practice exercises.
The Case of the Missing Diamond
Past Simple: Regular & Irregular Verbs
The Crime Scene
Yesterday was a quiet day at the City Museum. The guard checked the doors. He looked at the diamond. But this morning... the diamond was gone! We need to describe what HAPPENED in the past to solve the mystery.
Regular Verbs: The Rule Followers
Most verbs are good citizens. They follow the rules! To talk about the past, we simply add 'ED' to the base form.
Investigate + ed = Investigated
Look + ed = Looked
Spelling Rules Clues
Ends in E: Just add D (Close → Closed)
Ends in Conosonant + Y: Change Y to IED (Cry → Cried)
Short vowel + Consonant: Double the last letter (Stop → Stopped)
Irregular Verbs: The Rule Breakers!
Some verbs don't follow the law. They change their appearance completely to hide from the detective! You must memorize their disguises.
GO → WENT STEAL → STOLE SEE → SAW LEAVE → LEFT
Detective's Verb List
• Look → Looked • Check → Checked • Ask → Asked • Listen → Listened • Open → Opened • Close → Closed • Play → Played • Work → Worked • Call → Called
• Go → Went • See → Saw • Be → Was/Were • Eat → Ate • Buy → Bought • Take → Took • Leave → Left • Are → Were • Find → Found
Fill in the blanks to solve the timeline.
1. The thief ____ (open) the window quietly.
2. He ____ (take) the big diamond.
3. Then he ____ (run) away fast.
4. The police ____ (arrive) too late.
WORD BANK: ran | arrived | took | opened
Sentence Transformation
NOW: I see a clue.
PAST: I _____ a clue.
NOW: She buys a newspaper.
PAST: She _____ a newspaper.
Interrogation Room: Pair Work
Ask your partner what they did yesterday to check their alibi!
What did you do yesterday afternoon?
I studied English and played video games.
• cook dinner? • watch TV? • clean your room? • go to the park?
The Final Verdict: Quiz
1. Last night, I _____ (sleep) very well.
A) sleeped B) slept C) sleep
2. We _____ (visit) my grandma.
A) visited B) visit C) visite
Case Closed!
Good work, detectives! You solved the mystery of the Past Simple.
Remember: • Regular verbs add -ED. • Irregular verbs change completely.
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