《8BUnit7grammar八年级英语语法课件.ppt

Yan Min Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1. …, and about 80 per cent of these cases can be prevented and cured. 2. The plane is also used as a training center. 3. Also, local doctors and nurses are invited on board to learn about eye operations. 4. …, 150 patients are operated on. 5. …, and now most eye problems and diseases can be treated and cured. 6. But more money is needed to carry on with our work . Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 英语中的语态有两种：主动语态(active voice)和被动语态(passive voice)。 当主语是谓语的执行者时，用主动语态。当主语是谓语的承受者时，用被动语态。如： We clean the classroom every day. 我们每天都打扫教室。 (active voice) The classroom is cleaned (by us) every day. 教室每天都被(我们)打扫。 (passive voice) Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. The lights were turned off by Tom. The windows are cleaned every week. Millie’s closed the door. The TV was turned on. The boy made a model plane. A total(总数) of 8 questions are answered. or Active Passive Passive Passive Active Passive Active Passive Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 被动语态的基本构成 主语 be动词 过去分词 一般现在时 I am supported. You/We/They are He/She/It is 一般过去时 I was supported. You/We/They were He/She/It was Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Be + done Simple present tense Simple past tense Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. None of the books was taken away. 没有一本书被拿走。 动作的执行者是泛指或者不言自明时。 被动语态的基本用法 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. The toy is designed for children. 在不知道动作的执行者是谁时。 这款玩具是为孩子们设计