Sit
Sat, Sat
Sleep
Slept, Slept
Slide
Slid, Slid
Speak
Spoke, Spoken
Spend
Spent, Spent
Spin
Spun, Spun
Split
Split, Split
Spread
Spread, Spread
Spring
Sprang, Sprung
Stand
Stood, Stood
Steal
Stole, Stolen
Stick
Stuck, Stuck
Sting
Stung, Stung
Stink
Stank or Stunk, Stunk
Strike
Struck, Struck or Stricken
Swear
Swore, Sworn
Sweep
Swept, Swept
Swim
Swam, Swum
Swing
Swung, Swung
Take
Took, Taken
Teach
Taught, Taught
Tear
Tore, Torn
Tell
Told, Told
Think
Thought, Thought