The past tense of sinew is sinewed. See all forms of sinew with easy examples.
The past tense of sinecure is sinecured. See all forms of sinecure with easy examples.
The past tense of sinch is sinched. See all forms of sinch with easy examples.
The past tense of sin-bin is sin-binned. See all forms of sin-bin with easy examples.
The past tense of sin is sinned. See all forms of sin with easy examples.
The past tense of simulcast is simulcast or simulcasted (uncommon). See all forms of simulcast with easy examples.
The past tense of simulate is simulated. See all forms of simulate with easy examples.
The past tense of simplify is simplified. See all forms of simplify with easy examples.
The past tense of simplicate is simplicated. See all forms of simplicate with easy examples.
The past tense of simple is simpled. See all forms of simple with easy examples.