The past tense of back-form is back-formed. See all forms of back-form with easy examples.
The past tense of back-comb is back-combed. See all forms of back-comb with easy examples.
The past tense of back-channel is back-channeled or back-channelled. See all forms of back-channel with easy examples.
The past tense of back-bite is back-bit. See all forms of back-bite with easy examples.
The past tense of back is backed. See all forms of back with easy examples.
The past tense of bach is bached. See all forms of bach with easy examples.
The past tense of bace is baced. See all forms of bace with easy examples.
The past tense of babysit is babysat. See all forms of babysit with easy examples.
The past tense of baby-sit is baby-sat. See all forms of baby-sit with easy examples.
The past tense of baby is babied. See all forms of baby with easy examples.