sweep的现在时是sweeping还是sweepping?

sweep的现在时是sweeping还是sweepping? 英语wash-washing和ciean-cieaning和sweep-sweeping的意思是啥 sweep的现在进行时 Mother _____ (sweep) the floor when I _____ (leave) home.这里的答案是：was sweeping 和 left .为什么不能填：swept 和 was leaving my job is to do还是doing例：His new job is to sweep the floor.还是 His new job is sweeping the floor.还有是floor还是floors? 一个关于英语的简单问题,模仿例句把祈使句改成现在进行时.例句：Sweep the floor.She is sweeping it.1：Open the window.He( ).2：Sharpen this pencil.She( ).3：Dust the cupboard.She( ).4：Empty the basket.She( ).5：Look at Lucy upstairs sweeping with rage at Tom.求这句话的翻译尤其是前面upstairs sweeping 是在楼上哭,还是边上楼边哭? die,sweep,begin的现在分词是什么? sweep的现在分词为什么不双写p sweep the floor的现在分词形式 I can't help you__the house this afternoom.A,sweeping'B,sweep;C.swept,Dwith sweep sweep的单相式 现在分词 过去时 过去分词是什么 Did you help the old woman ( ) her floor?`A.to sweeping B.sweeping C.sweep一道英语习题, helen have to sweep the floor是对的还是错的?如果是错的怎么修改 I can sweep the floor. (对划线部分提问） 划线的是sweep the floor. 关于英语短语和名词的用法1、名词表示单数时,前面必须要有冠词对吗?那么如果写短语“扫地”时,是应该说“sweep the floor”还是“sweep floor”?如果写洗脸是写“wash face”还是“wash my face”2 His mother made him ( ) the floor eyery day.A.sweep B.tosweep C.sweeping D.sweeps yesterday some students forget ______the floor.A swept B sweeping C to sweep