Unit 5 The power of nature Section Ⅲ Grammar——动词ing形式用作状语一、动词ing 的基本形式1．动词ing 的一般式所表示的动作与谓语动词所表示的动作一般同时进行，其形式为doing。2．动词ing 的完成式所表示的动作在谓语动词所表示的动作之前已经完成了，其形式为having done。3．动词ing 的否定式：not＋doing/having done。4．动词ing 的被动式：(1)动词ing 的一般式的被动式：being done；(2)动词ing 的完成式的被动式：having been done。如：Coming into the room, she saw everybody already at their work.她一进屋，就看到每个人都在工作。Having cleaned the rooms we began to weed the garden.打扫完房间后，我们开始除花园里的草。Not mastering the way of studying, I didn't get a good result.因为没有掌握学习的方法，我没有得到好成绩。Not having heard from her for a long time, he decided to phone her.由于很久没有收到她的来信，他决定给她打电话。Being asked to give a performance, they are busy preparing for it.有人要求他们表演节目，他们正忙着准备节目。Having been given another chance, they decided to make good use of it.又拥有了一次机会，他们决定好好利用它。二、动词ing 作状语的基本用法1．表示时间动词ing 在句中作时间状语，可对应转化为 when, after 等引导的时间状语从句。如：Having made full preparations (＝After we have made full preparations), we are ready for the examination.做了充分的准备之后，我们准备参加考试。Hearing the result (＝When I heard the result), I couldn't help jumping.听到这个结果，我情不自禁地跳了起来。2．表示原因动词ing 在句中作原因状语，可对应转化为 as, since, because 等引导的原因状语从句。如：Being ill (＝As he was ill), he was sent to hospital.由于生病了，他被送去了医院。Having lived in this city many years (＝Since I had lived in this city many years), I knew it well.因为在这个城市住了多年，所以我对它很了解。3．表示伴随或方式动词ing 作伴随或方式状语，说明动作发生的背景或情况，它表示分词的动作和主句的动作同时发生。作伴随或方式的动词in...
