i helped my mother with the housework yesterday改为否定句

i helped my mother cleaned the room on my holiday.改错 I helped my mother clean the room yesterday.还是I helped my mother cleaned the room yesterdayhelped后面的clean应该不用加ed了吧 I helped my mother tidy the room .I am t( ).应该填什么? 填空 This scarf is ( )(I).that scarf is () (you) I helped my mother wash the () (dish) i helped my mother with the housework yesterday改为否定句 I helped my mother cleaned the room yesterday.这句型对吗? i helped my mother cook at home划线部分提问,划线的是cook, I helped my mother ___ the cooking yesterday evening.A.does B.did C.doing helped mother I my cook last noodles weekend这几个词怎么排 I helped my mother make a cake.为什么make不用过去式made 根据括号内的词提问I helped my mother （cook ）at home.( ) ( ) you ( ) your mother ( ) at home? I helped my classmate today. When I lost my job,my mother helped me by ___ me __ some money怎么填? I helped my mother do --- housework in the afternoon.I was very tiredA.someB.anyC.fewD.little 同义句转换 W wrote a letter to my mother yesterday.I () () my mother yesterday. I ---- my mother with the housework all the afternoon 填选I ------ my mother with the housework all the afternoon 填选应填什么?A.had helped B.helped C.was helping ( ) On Sunday morning I helped my mother ____ the cooking.A.do B.to do C.does D.doing 英语基础语法问题.求教Today I helped my mother buy soy.为什么后面那个buy不用变成过去式?