[高一英语必修2第四单元语法.ppt

Some cultural relics are being appreciated by experts. He ______________(bite) by a mosquito. 3. 少数及物动词的进行时表示按计划、安排将要承受某个动作。 An party is being held tonight. 今晚将要举办一场晚会。 如果去掉being,就成为一般现在时被动语态或系表结构。试比较下列句子: 3. -Have you moved into the new house? -Not yet. The rooms ____. A. are being painting　 B. are painting C. are painted　　 D. are being painted 4．Rainforests ______ and burned at such a speed that they will disappear from the earth in the near future. A. cut B. are cut C. are being cut D. had been cut * * Unit 4 ---Wildlife Protection Period 4: Grammar Present Progressive Passive Voice 现在进行时的被动语态 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. The Tense of the The Passive Voice 1. Present passive voice: am/is/are + p.p. The Olympic Games are usually held in big cities. 2. Past passive voice: was/were+ p.p. The last Olympic Games were held in Athens. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3. Future passive voice: will/shall+ be+ p.p. The 2008 Olympic Games will be held in Beijing. am/is/are+ going to be+ p.p. The 29th Olympic Games are going to be held in Beijing in 2008. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. am/is/are+ to be+ p.p. The 29th Olympic Games are to be held in Beijing in 2008. 4. Perfect passive voice: have /has+ been + p.p. The Olympic Games have been held 28 times. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 5. Present continuous passive voice: am/is/are+ being+ p.p. --Why it is so noisy out there? --Oh, it’s because the road is being repaired. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Pro