常用不规则过去式： hurt →hurt（受伤）

read →read put →put swim→swam give→gave sing----sang drink→drank ride→rode drive→drove write→wrote win→won buy--bought fly----flew say---said learn----learned/learnt see---saw take---took get----got make-----made eat----ate leave-----left go----went---gone have---had run---ran tell---told come---came