[시작하다]begin-began- (a)  

[하다]do-did- (a)  

[운전하다]drive-drove- (a)  

[먹다]eat-ate- (a)  

[떨어지다]fall-fell- (a)  

[주다]give-gave- (a)  

[가다] go-went- (a)  

[숨다]hide-hid- (a)  

[눕다]lie-lay- (a)