[选修七unit1reading.pptVIP

Para 1: It is about a day in the park. Para 2: It is her way of doing her research and some achievement. Para 3: It is her attitude and feeling to the animals. Para 4: It is a short summary to her. She has achieved everything she wanted to do. Watching a family of chimps wake up is our first activity of the day. 动名词短语作主语时表示一件事或一个动作，谓语动词用单数。 不定式与动名词作主语： 一般来说动名词作主语表示泛指经常性的，抽象的动作。Collecting stamps is my hobby. 不定式多表示特指一次性的，具体的动作 It’s very important to learn Eglish well. 3.若不定式或动名词作主语，可用it作形式主语 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 部分动词后接不定式或动名词时，意义差别较大 forget, remember, regret(悔恨，遗憾）+to do 表现在或将来的动作； +doing 表动作已经发生。 try to do sth. 设法尽力做某事 try doing sth. 试着做某事 Stop to do sth. 停下一件事去做另一件事 stop doing sth. 停止做某事 can’t help doing sth. 禁不住 can’t help to do sth.不能帮忙做 go on to do sth. 继续去做不同的事或不同内容的事 go on doing sth 继续不停地做某事，指同一动作的继续 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. While 1.表示时间=when 当…..的时候，和….同时 2.表条件=as long as 只要 3. 表让步=although 虽然 feed 喂（养），饲（养），为….提供食物 feed sth to sb. 喂….给….吃 either …. or.... 1.用于肯定句意为“（两者中）不是…就是…,或者..或者” You may either go or stay. 2.用于否定句意为“既（不）…也（不）=neither..nor I can’t speak either German or Franch.=I can speak neither German nor Franch. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. as 的用法 “当…的时候，一边…一边，随着…”引导时间状语从句 She dropped the cup as she stood up. “ 按照，像，和…一样”引导方式状语从句 Please do as I do. 3. “ 虽然，尽管” 引导让步状语从句。此时应用半倒装，将名词，动词，形容词，副词或过去分词置于as 之前. Young as she is, she has done a lot for her mother. 尽管她很小，她已能替她妈妈做很多事情。 Much as I would like to help, I have a lot to do now. 4. 因为，引导原因状语从句。 5. 用作关系代词，引导非限定性定语从句。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Clie