say/said/said	say
see/saw/seen	see
send/sent/sent	send
set/set/set	set
shake/shook/shaken	shake
shine/shone/shone	shine
show/showed/shown	show
sing/sang/sung	sing
sink/sank/sunk	sink
sit/sat/sat	sit
sleep/slept/slept	sleep
speak/spoke/spoken	speak
stand/stood/stood	stand
swim/swam/swum	swim
take/took/taken	take
teach/taught/taught	teach
tell/told/told	tell
thing/thought/thought	thing
understand/understood/understood	understand
wake up/woke up/woken up	wake up
write/wrote/written	write
wear/wore/worn	wear