Module 2 Fantasy Literature Philip Pullman Section Ⅲ Grammar-动词-ing 形式作状语语法图解探究发现①Will, still watching, saw the cat behave curiously.②When it had gone past he crossed the road, keeping his eyes on the spot where the cat had been investigating.③While sitting by a pool, Ferdinand sees a frog.④Before leavinghis kingdom, he calls his son to him.⑤Not knowing her address, I can't write to her to express my gratitude.⑥Having lived with the girl for 5 years, we all know her very well. [我的发现](1)六个例句中的动词ing 形式的逻辑主语都是句子的主语。(2)由例句⑤可知，动词ing 形式的否定式是在ing 形式前面加 not。(3)在例句③中，动词ing 形式短语前用 while，为了强调与谓语动词的动作同时发生；在例句④中，动词ing 形式短语前用 before，为了强调在谓语动词的动作之前发生。(4)由例句⑥可知，动词ing 形式的完成式为 having_done。一、基本用法动词ing 形式作状语时，通常都表示主语正在进行的另一个动作(即动词ing 形式与主语在逻辑上存在主动关系)，用来对谓语动词表示的动作加以修饰或作为陪衬，它可表示时间、原因、条件、让步、结果、方式或伴随动作，相当于相对应的状语从句或 and 引导的并列句。1．动词ing 形式作时间状语，多置于句首，也可置于句末。Hearing the good news, they went wild with joy.听到这个消息，他们高兴得发了狂。Shopping in the mall, I came across my former classmate, Tom.当我在商场购物时，我遇见了以前的同学汤姆。[即时演练 1] 句型转换①When she saw nobody at home, she decided to leave them a note.→Seeingnobodyathome,_she decided to leave them a note.②Arriving home, he found the door locked.→Whenhearrivedhome,_he found the door locked.③When she arrived at the party, she found all the people gone.→Onarriving at the party, she found all the people gone.2．动词ing 形式作原因状语，多置于句首或句末，也可置于句中。Getting up late, he missed his early train.由于起床晚了，他没有赶上早班火车。Not knowing how ...
