改为被动语态：We should take care of the old people

we should learn more english 改为被动语态 We should change some school rules.(改为被动语态) 改为被动语态：We should take care of the old people 把这个句子改为被动语态We should listen to the teacher carefully. 翻译We should teach them to build their lives on hard work并改为被动语态 we should clean our rooms every day(改为被动语态)our rooms_ _ _every day we speak China 改为被动语态 We call him Xiaobao(改为被动语态) we do it 改为为被动语态 We should take good care of our eyes.（改为被动语态） Good care should（）（）of our eyes. We should speak to our parents politely .（改为被动语态）Our parents should（ ）（ ）（ ）politely . we should ask more students to volunteers at the city park(改为含情态动词的被动语态） We should do our homework on time改为被动语态 Our homework _____ ____ ________ on time should we clean the room now?补充在下面____the room ____ ____ now 改为被动语态 We should make Jim know that he was wrong.改为被动语态 Jim ()()()()() that he was wrong. we should ask more students to volunteers at the city park(改为含情态动词的被动语态） We have planted many trees.改为被动语态Many trees ( )( )( )by us.改为被动语态一空一词 You should finish your work first 怎么改为被动语态