1.The students clean the classroom every day.
主 谓语 宾语
2.Mary's room must be kept clean.
3.She gave me twenty yuan last week.
主 谓 间宾 直宾
4.Hangzhou produces silk.
5.I saw a man go into the room just now
主 谓 宾
1.The classroom is cleaned by the students every day.
2.We must keep Mary's room clean.
3.Twenty yuan was given to me from her last week.
4.Silk is produced in HangZhou.
5.A man was seen by me to go into the room just now.(噶感官动词的被动语态动词前要加to)