The past tense of threepeat is threepeated. See all forms of threepeat with easy examples.
The past tense of three-peat is three-peated. See all forms of three-peat with easy examples.
The past tense of threaten is threatened. See all forms of threaten with easy examples.
The past tense of threat is threated. See all forms of threat with easy examples.
The past tense of threap is threaped. See all forms of threap with easy examples.
The past tense of threadjack is threadjacked. See all forms of threadjack with easy examples.
The past tense of thread is threaded, ( archaic ) thrid. See all forms of thread with easy examples.
The past tense of thrash is thrashed. See all forms of thrash with easy examples.
The past tense of thrall is thralled. See all forms of thrall with easy examples.
The past tense of thrack is thracked. See all forms of thrack with easy examples.