The conjugation of the English verb cost

Pronunciation key

Irregular forms are printed in red.
Indicative
PresensPreterite
(I) cost /kɒst/(I) cost
(thou) costest /ˈkɒstɪst/(thou) costest
(he) costs /kɒsts/, costeth /ˈkɒstɪθ/(he) cost
(we) cost(we) cost
(you) cost(you) cost
(they) cost(they) cost
Subjunctive
PresensPreterite
costcost
Imperative
cost
Participles
PresentPast
costing /ˈkɒstɪŋ/cost