Section Ⅱ Grammar——动词的ing 形式作状语课前自主预习[例句·体验]1 ． Having worked for two days, Steve managed to finish his report on schedule.工作了 2 天之后，Steve 设法按时完成了报告。2．When the clerk saw a kind face wrinkled in an apologetic smile, she stood rooted to the ground, wondering whether to stay or leave.当那位职员看到了一张善良、满是皱纹又带着歉意的微笑的脸时，她呆呆地站在那里，考虑着是走还是留。3．There is no greater pleasure than lying on my back in the middle of the grassland, staring at the night sky.没有比仰面躺在草地中央凝视着夜空更惬意的事情了。4 ． Not knowing which university to attend, the girl asked her teacher for advice.由于不知道上哪所大学，那个女孩向她的老师征求意见。5．Finding the course very difficult, she decided to move to a lower level.她发现这门课程非常难，决定转学一门较低水平的(课程)。6．Hearing the good news, the children went wild with joy.听到这个消息，孩子们欣喜若狂。7．His father died, leaving him a lot of money.他的父亲去世了，给他留下了一大笔钱。8．Though working hard, he couldn't earn enough money to pay off his debt.尽管努力工作，他也不能挣到足够的钱还清债务。9．Not knowing what had happened, she was puzzled.不知道发生了什么事，她迷惑了。10．Having finished the letter, he folded it and put it into the envelope.写完信后，他把信折起来装进了信封。课堂合作探究[语法·讲座]一、基本原则1．动词的ing 形式作状语时，ing 形式和句中主语应有逻辑上的主谓关系，即动词的ing 形式的逻辑主语应与句子的主语保持一致。2．在意义上可表示原因、时间、方式、伴随、结果、条件等，这时它相当于一个状语从句。13．它的位置比较灵活，可以置于句首、句中或句末，有时用逗号分开，有时也不用。一般来说，用作原因、条件时，常位于句首；用作方式、结果、伴随状语时，常位于句末。4．当动词的ing 形式的主语与句子主语不一致时，我们可以用ing 形式的独立主格结构。独立主格结构可以在句中作时间状语、条件状语、原因状语、伴随状语等。二、基...
