CATEGORY 1
WAS / WERE
Past simple verb 'BUY'
BOUGHT
Past simple verb 'GIVE'
GAVE
Past simple verb 'TELL'
TOLD
Past simple verb 'SLEEP'
Past simple verb 'BECOME'
BECAME
Past simple verb 'TEACH'
TAUGHT
Past simple verb 'UNDERSTAND'
UNDERSTOOD
Past simple verb 'TAKE'
TOOK
Past participle verb 'STAND'
STOOD
Past participle verb 'GET'
GOT
Past participle verb 'TAKE'
TAKEN
FOUND
Past participle verb 'SING'
SUNG
Past participle verb 'SIT'
SAT
DRANK / DRUNK
Past simple and past participle verb 'STEAL'
STOLE / STOLEN
Past simple and past participle verb 'WAKE'
WOKE / WOKEN
Past simple and past participle verb 'SPEAK'
SPOKE / SPOKEN
Past simple and past participle verb 'KNOW'
KNEW / KNOWN
Past simple and past participle verb 'SEE'
SAW / SEEN
Past simple and past participle verb 'BREAK'
BEEN
Past simple and past participle verb 'FORGET'
FORGOT / FORGOTTEN
Past simple and past participle verb 'FLY'
FLEW / FLOWN