General

The past tense of cooperate is cooperated. See all forms of cooperate with easy examples.

The past tense of cooper is coopered. See all forms of cooper with easy examples.

The past tense of coop is cooped. See all forms of coop with easy examples.

The past tense of coom is coomed. See all forms of coom with easy examples.

The past tense of cool is cooled. See all forms of cool with easy examples.

The past tense of cook is cooked. See all forms of cook with easy examples.

The past tense of cooey is cooeyed. See all forms of cooey with easy examples.

The past tense of cooee is cooeed. See all forms of cooee with easy examples.

The past tense of cooccur is cooccurred. See all forms of cooccur with easy examples.

The past tense of coo is cooed. See all forms of coo with easy examples.