The past tense of siver is sivered. See all forms of siver with easy examples.
The past tense of situate is situated. See all forms of situate with easy examples.
The past tense of sithe is sithed. See all forms of sithe with easy examples.
The past tense of site is sited. See all forms of site with easy examples.
The past tense of sit is sat. See all forms of sit with easy examples.
The past tense of sister is sistered. See all forms of sister with easy examples.
The past tense of sist is sisted. See all forms of sist with easy examples.
The past tense of sissy is sissied. See all forms of sissy with easy examples.
The past tense of sissify is sissified. See all forms of sissify with easy examples.
The past tense of siss is sissed. See all forms of siss with easy examples.