General

The past tense of cosupervise is cosupervised. See all forms of cosupervise with easy examples.

The past tense of costume is costumed. See all forms of costume with easy examples.

The past tense of costimulate is costimulated. See all forms of costimulate with easy examples.

The past tense of costen is costened. See all forms of costen with easy examples.

The past tense of costean is costeaned. See all forms of costean with easy examples.

The past tense of costar is costarred. See all forms of costar with easy examples.

The past tense of costain is costained. See all forms of costain with easy examples.

The past tense of cost is cost or costed. See all forms of cost with easy examples.

The past tense of cosset is cosseted. See all forms of cosset with easy examples.

The past tense of cosponsor is cosponsored. See all forms of cosponsor with easy examples.