高中英语-现在完成时的被动语态(共13张PPT)

现在完成时的 被动语态 Revision 一般现在时的被动语态： 一般将来时的被动语态： am/are/is done will/shall be done Exercise 1 1. Sailing races (held) on the lake at 11:30Tuesday. 2. Food (serve) between 12:00 and 14:00 every day. 3.Nobody (allow) to enter the stadium without a ticket. 4.Whoever breaks the law (punish) will be held is served is allowed will be punished 探究发现 1. Over time I have been changed quite a lot. 2. Since the 1970s many new applications have been found for me. 3. The important problem has been discussed for nearly two weeks. 4. The ink has not been removed from the clothes. 5. Haven’t your problem been solved? 6. How many buildings have been bulit in you school? 我的发现 1. 以上几句的时态和语态是 2.以上几句中1、2、3、是该时态的 句式，4是 句式，5是 句式，6是 句式。 现在完成时的被动语态 肯定 否定 一般疑问 特殊疑问 Grammar learning 一、结构 肯定式： 否定式： 一般疑问式： 特殊疑问式： 主语+have/has been done 主