规则动词的原形和过去式 原形 visit clean watch help want 不规则动词的原形和过去式 原形 go eat do have see 请将下列原形改为过去式： 1.visit a friend ---________________________(拜访朋友) 2.help mom-- __________________________(帮助妈妈) 3.do homework ---________________________(做作业) 4.go swimming ---________________________(去游泳) 5.clean the room ---________________________(打扫房间) 6.watch TV ---________________________(观看电视) 过去式 went ate did had saw 中文意思 去 吃 做 有 看见 过去式 visited cleaned watched helped wanted 中文意思 拜访 打扫 观看 帮助 想要 本文来源：https://www.wddqw.com/doc/33c9b6c5b0717fd5360cdc99.html