Group1:This group of verbs are the same in the base form, simple past and past participle Base form Simple past Past participle Beat Beat Beat Cost Cost Cost Cut Cut Cut Fit Fit Fit Hit Hit Hit Hurt Hurt Hurt Let Let Let Put Put Put Quit Quit Quit Read Read Read Set Set Set Shut Shut Shut Group2: verbs are the same in the simple past and past participle Base form Bring Build Buy Catch Feed Feel Fight Find Get Have Hear Hold Keep Lead Learn Leave Lend Lose Make Mean meet Pay Sell Send Simple past Brought Built Bought Caught Fed Felt Fought Found Got Had Heard Held Kept Led Learnt Left Lent Lost Made Meant Met Paid Sold Sent Past participle Brought Built Bought Caught Fed Felt Fought Found Got/ (gotten) Had Heard Held Kept Led Learnt Left Lent Lost Made Meant Met Paid Sold Sent Shine Shone Shone Sit Sat Sat Sleep Slept Slept Spend Spent Spent Stand Stood Stood Teach Taught Taught Tell Told Told Think Thought Thought Understand Understood Understood Win Won Won Group3: Base form and past participle are the same Base form become Come Overcome run Group4: All parts are different Simple past Became Came Overcame Ran Past participle Become Come Overcome run Base form Be Begin Break choose Do Drink Drive Eat Fall Fly Forget Forgive Give Go Grow Hide Know Lie Ride Ring See Show Throw Wear write Simple past Was/ were Began Broke Chose Did Drank Drove Ate Fell Flew Forgot Forgave Gave Went Grew Hid Knew Lay Rid Rang Saw Showed Threw Wore Wrote Past participle Been Begun Broken Chosen Done Drunk Driven Eaten Fallen Flown Forgotten Forgiven Given Gone Grown Hidden Known Lain Ridden Rung Seen Shown Thrown Worn Written