Answer for quiz 5

Base form	Past	Past participle		Base form	Past	Past participle
shut	shut	shut		unbend	unbent	unbent
sing	sang	sung		underbid	underbid	underbid
sit	sat	sat		undercut	undercut	undercut
steal	stole	stolen		undergo	underwent	undergone
wear	wore	worn		underlie	underlay	underlain
win	won	won		underpay	underpaid	underpaid
tear	tore	torn		undersell	undersold	undersold
thrust	thrust	thrust		undertake	undertaken	undertaken
tread	trod	trodden, trod		underwrite	underwrote	underwritten
typecast	typecast	typecast		undo	undid	undone