The past tense of suffer is suffered. See all forms of suffer with easy examples.
The past tense of sue is sued. See all forms of sue with easy examples.
The past tense of sudate is sudated. See all forms of sudate with easy examples.
The past tense of suction is suctioned. See all forms of suction with easy examples.
The past tense of suckle is suckled. See all forms of suckle with easy examples.
The past tense of sucker-punch is sucker-punched. See all forms of sucker-punch with easy examples.
The past tense of sucker is suckered. See all forms of sucker with easy examples.
The past tense of suck is sucked. See all forms of suck with easy examples.
The past tense of succuss is succussed. See all forms of succuss with easy examples.
The past tense of succumb is succumbed. See all forms of succumb with easy examples.