He was cleaning the class room at that time （改为被动语态）

He was cleaning the class room at that time （改为被动语态） he was cleaning the yard at 6 o clock yesterday morning还有这句iwas playing soccer when the bell he saw her cleaning in the roomhe saw her cleaning in the roomshe was seen to cleaning in the room.这三个句子都对吗?对不起同志们。不知是什么原因把我的问题给搞错了。我的问题是：把He saw her cleaning in the room. he listened to the music while cleaning the room.这里的listen为什么不用现在分词?为什么不是he was listening to····? 可以这样改句子吗1 While I was cooking the dinner,he was having a wash.2 While I was cooking the dinner,he was watching television.3 While I was cooking the dinner,he was cleaning his shoes.4 While I was cooking the dinner,he was listening to cleaning the wuyifan was busy cleaning the bedroom 为什么要用cleaning 会英语的教教我. HE IS NOT CLEANING THE ROOM NOW （改祈使句） He hates (cleaning the room.)对括号部分提问 He is cleaning the blackboard. ______________________ 画线提问 He is cleaning the classroom主动改被动 He is (cleaning the classroom ).( 对括号部分提问) He is (cleaning the classroom.)对括号部分提问 Two hours' ///////// A two-hour Two hours' A two-hour 这两题目在逻辑上是否都属於泛指像是以下这题目两个题目意思是否相同?He finished cleaning the house,and it was a two-hour work.He finished cleaning the house,and it was Tom often ____ the cleaning after school.Now he ____ the cleaning,too.A:do,doing B:is doing, He doesn't like cleaning the bike because the weather is cold.(改为同义句） He ______ cleaning thebike _______ _________ the cold weather. he likes cleaning the car because he can be outside 是什么意思 Cleaning the Conference Room