The past tense of sour is soured. See all forms of sour with easy examples.

The past tense of soup is souped. See all forms of soup with easy examples.

The past tense of soundtrack is soundtracked. See all forms of soundtrack with easy examples.

The past tense of soundproof is soundproofed. See all forms of soundproof with easy examples.

The past tense of sound is sounded. See all forms of sound with easy examples.

The past tense of soul is souled. See all forms of soul with easy examples.

The past tense of sough is soughed. See all forms of sough with easy examples.

The past tense of souce is souced. See all forms of souce with easy examples.

The past tense of sot is sotted. See all forms of sot with easy examples.

The past tense of soss is sossed. See all forms of soss with easy examples.