bring→ brought /brɔːt/ → brought /brɔːt/
buy→ bought /bɔːt/ → bought /bɔːt/
fight→ fought /fɔːt/ → fought /fɔːt/
think→ thought /θɔːt/ → thought /θɔːt/
catch→ caught /kɔːt/ → caught /kɔːt/
teach→ taught /tɔːt/ → taught /tɔːt/
sell→ sold → sold
tell→ told → told
find→ found → found
have→ had → had
hear→ heard → heard
hold→ held → held
read→ read /red/ → read /red/
say→ said /sed/ → said /sed/
pay→ paid → paid
make→ made → made
stand→ stood → stood
understand→ understood → understood