Past tense of seem?
Seemed
Past tense of swim?
Swam
Past tense of shine?
Shone/Shined
Past tense of sell?
Sold
Past tense of drive?
Drove
Past tense of do?
Did
Past tense of sleep?
Slept
Past tense of make?
Made
Past tense of run
Ran (How did you do that its very hard =D)
Past tense of build
Built
Past tense of buy?
Bought
Past tense of read?
Read
Past tense of keep?
Kept
Past tense of fun?
Funned