I was doing some cleaning.(对doing some cleaning做划线提问)

I was doing some cleaning.(对doing some cleaning做划线提问) We are doing some cleaning now.对doing some cleaning提问 Let’s doing some cleaning now I (do some cleaning)at home on sundays.对划线部分提问 She helped me do some cleaning（do some cleaning划线提问） May spends one hour in doing some cleaning every day? My mother did some cleaning last night.划线提问 划线提问 I with my mother —always— do some cleaning on Sundays.a I was busy doing cleaning 这句英语对吗 They are doing some cleaning now.其中 为什么用are doing 而不用are goi She is doing someShe is doing some cleaning.改为过去进行时 我正在打扫卫生 英语能不能说I am doing some cleaning.另外,我正在打扫房间.怎么说?