It might; We might; They might; The same happens with MAY … I may, you may, he may, she may, it may, we may, they may. Just like the other modal verbs, there is never an S at the end of may or might: She mights stay. (This is NOT CORRECT) She might stay. (This is CORRECT) After MIGHT or MAY we have the verb, or more specifically, the base ... More @Wikipedia
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