The past tense of rock-bottom is rock-bottomed. See all forms of rock-bottom with easy examples.

The past tense of rock is rocked. See all forms of rock with easy examples.

The past tense of robustify is robustified. See all forms of robustify with easy examples.

The past tense of robotrip is robotripped. See all forms of robotrip with easy examples.

The past tense of robotize is robotized. See all forms of robotize with easy examples.

The past tense of robotise is robotised. See all forms of robotise with easy examples.

The past tense of roborate is roborated. See all forms of roborate with easy examples.

The past tense of robocall is robocalled. See all forms of robocall with easy examples.

The past tense of robe is robed. See all forms of robe with easy examples.

The past tense of rob is robbed. See all forms of rob with easy examples.