I [ ](help) my mother [ ](clean) the house last weekend.注：用所

I [ ](help) my mother [ ](clean) the house last weekend.注：用所 i often help my mother clean the house.为什么clean用原型? I ofent help my mother ___(clean)the house Yesterday I-my mother clean the house 单选I often help my mother（ ）the house.A.with clean B.cleaning i,help,often,my,clean,the,mother,house连词成句 I often help my mother with housework d_____ the weekend. I usually help my mother clean the room.能改成I usually help my I often help my mother clean the room.这句话中clean前的to可以用吗? I often help my mother clean the room clean为什么不能用cleans? 照理来 I often help my mother clean the room clean为什么不能用cleans?照理来说 jim always help his mother (clean)the house