she helped her mother cook dinner yesterday.劳烦您讲解下这句的句子成分.2：为什么cook不用过去式,第一个讲解明白的,马上就给分.有没有这样的句子，谓语用过去式，宾补动词还用过去式？

英语she helped her mother yesterday 【变否定句】 my sister her finger when she helped mom cook dinner. She is very much afraid of her mothe.这句话对吗?She is very much afraid of her mothe.她非常害怕她的妈妈.这句话我想啦很就 she 后面不是接第三人称单数吗 she helped her mother with the housework.she _____ her mother ___ the housework. one morning .she tidied her room .she washed the dishes and helped her mom. She helped her mother do the cooking last night.对helped her mother do the cooking 提问 she not only finished her homework but also helped her mather do some housework She helped ---(her) with some cakes after her aunt went away. 合适的词语填空after she got up ,she first helped her mother with the____(wash) Yesterday she helped her mother _____ housework.A.did B.does C.do she said helping others changed her life还有为什么用helping 不用help 或者helped ____(尽管她不高兴) ,she helped her mother do washing.(as) 英语 请问head-gear是什么,headgear是头饰.she adjusted her head-gear,and l helped her. Mothe duckling feeds her babies with small worms另一表达式 She said she ___felt the drug helped improve her health condition.A.definitely B.distinctly C.clearly D.entirely She said helping others changed her life为什么用helping而不用helped?不是要改成过去式吗 She helped the minds of her students’ scale the mountain walls and reach out to the world beyond. 求解英语题目（阅读理解）A teenager girl can't stand(忍受）her parents' discipline(管教）,so she leaves home.She wants to be famous. But several years later she has to beg(乞讨)onthe street to live.Now her father has died.Her mothe