sit,stand,sleep,understand,speak,teach,wear,think.
Написать 2 и 3 форму

наверное thought

точно пропустил

ну всё я исправил

sit-sat-satstand-stood-stoodsleep-slept-sleptunderstand-understood-understoodspeak-spoke-spokenteach-taught-taughtwear-wore-wornthink-thought-thought

1.sit-sat-sat2.stand-stood-stood3.sleep-slept-slept4.understand-understood-understood5.speak-spoke-spoken6.teach-taught-taught7.wear-wore-worn8.think-thought-thought