.The Passive Voice (被动语态)(被动语态)Learning Objectives:Know the basic structure of passive voices.Learn different forms in tenses.Use passive voices correctly in basic tasks.Learn some special points about passive voices.In this lesson,we are going to Rules for the Olympic Games1.Nobody is allowed(allow)to enter the stadium without a ticket.2.Children are not allowed(not allow)to make a noise and upset the competitors.If they do,they will be taken away(take away)from the stadium.3.No animals are all