The past tense of checkpoint is checkpointed. See all forms of checkpoint with easy examples.

The past tense of checkmate is checkmated. See all forms of checkmate with easy examples.

The past tense of checkerboard is checkerboarded. See all forms of checkerboard with easy examples.

The past tense of checker is checkered. See all forms of checker with easy examples.

The past tense of check-raise is check-raised. See all forms of check-raise with easy examples.

The past tense of check-fold is check-folded. See all forms of check-fold with easy examples.

The past tense of check-call is check-called. See all forms of check-call with easy examples.

The past tense of check is checked. See all forms of check with easy examples.

The past tense of cheat is cheated. See all forms of cheat with easy examples.

The past tense of cheapen is cheapened. See all forms of cheapen with easy examples.