What's the past of get?
Got
What's the past of buy?
Bought
What's the past of leave?
Left
What's the past of meet?
Met
What's the past of see?
Saw
What's the past of sail?
Sailed
What's the past of sleep?
Slept
What's the past of discover?
Discovered
What's the past of have?
Had
What's the past of be?
Was/Were
What's the past of drink?
Drank
What's the past of walk?
Walked