ing形式作状语要点盘点.ppt

* * — ing 形式作状语 要点盘点 动词的—ing形式作状语时，通常都表示主语正在进行的另一动作，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、结果、条件、让步、方式或伴随动作，相当于相应的状语从句。 一、表示时间（置于句首，也可置于句末） -ing形式作状语，其动作可能发生在谓语动作之前或之后，也可能和谓语动词的动作同时发生。例如： 1. Hearing the news, they all jumped with joy. =When they heard the news, they all jumped with joy. 2. Seeing its mother, the baby smiled. =When the baby saw its mother, it smiled. 住：为强调与谓语动词的动作同时发生，在 -ing形式之前可用连词when或while.例如： Be careful when crossing the street 另外：-ing形式的完成式having done 表示其动作发生在谓语动词的动作之前，一般作时间或原因状语。例如： Having enjoyed the rides at the Headland, visitors can take the shuttle to the Lowland. 二、表示原因（多置于句首）例如： 1. Being ill ( = As he was ill ), he went home. 2. Not having received any news from home for a long time (= As she hasn’t received any news from home for a long time), she is becoming more and more homesick. 3. Hoping to get our support(=As they hoped to get our support), they sent us their statement. 三、表示条件（多置于句首）例如： 1. Working hard(=If you work hard), you will succeed. 1. The snow lasted a week, resulting in a serious traffic confusion in the whole area. 四、表示结果（多置于句末）例如： =The snow lasted a week, so it resulted in a serious traffic confusion in the whole area. 2. His parents died, leaving him a lot of money. 五、表示方式和伴随（多置于句末） -ing形式作方式状语或伴随状语，用来对谓语动词表示的动作或状态加以说明。一般来说，-ing形式表示的动作和谓语动词所表示的动作同时发生。它没有相应的状语从句可以代替。例如： 1. She sat at the desk reading a newspaper. =She was sitting at the desk and read a newspaper. 2. Many people come to the theme parks looking for thrills and entertainment. 3. Theme parks try to make sure visitors leave knowing more about their theme. 4. A second Disneyland was opened on the east coast, costing between $500 and $600 million. 5. They walked on the way home, singing and laughing. The secretary worked late into the night, __a long speech for the president. A. to prepare B. preparing C. prep