英语周报高中英语 Unit 5 The power of nature Grammar辅导 新人教版选修6.doc

unit 5 the power of nature动词-ing形式作状语【观察】观察下列几组句子中动词-ing形式的用法，然后加以总结。1. a. the children ran out of the room, laughing and talking.b. seeing nobody at home, linda decided to leave them a note.2. a. having eaten too much for supper, my little brother couldnt go to sleep.b. having worked with the foreigners for years, i knew them very well.3. a. not knowing her phone number, we couldnt get in touch with her.b. not having received a reply, james decided to send another email.4. a. when visiting the great wall, they make a side trip to the nearby villages.b. though living near her house, i seldom see her these days.5. a. the boy leading the way, we had no trouble finding the place.b. there being no further business to discuss, we all went home.【总结】结合以上例句将动词-ing形式的用法归纳、拓展如下： 动词-ing形式（短语）可作状语，表示时间、条件、原因、让步、方式或伴随情况等，其逻辑主语通常与句子的主语一致，动词-ing形式（短语）所表示的动作与主语之间构成逻辑上的主谓关系。（如第14组例句） 动词-ing形式（短语）的完成式所表示的动作发生在谓语动作之前。（如第2组例句） 动词-ing形式（短语）的否定形式常在其前面加not。（如第3组例句） 动词-ing形式（短语）作状语，其前往往可以加when, while, if, unless, once, though, as if等连词，构成“连词+动词-ing形式”结构。（如第4组例句） 动词-ing形式（短语）的逻辑主语与句子主语不一致时，可将其逻辑主语放在前面，构成独立主格结构。（如第5组例句）【注意】 动词-ing形式（短语）作状语时，可转换为对应的状语从句。如：hearing the news (= when she heard the news), emma burst into tears. not feeling well that morning (= as he wasnt feeling well that morning), bruce went to see the doctor. 独立主格结构作状语时，也可转换为对应的状语从句。如：time permitting (= if time permits), i will pay a visit to my uncle on the way back.all flights having been canceled (= since all flights had been canceled) because of the terrible weather, they had to go there by train. 【高考链接】从、b、c、d 四个选项中，选出可以填入空白处的最佳选项。1. _ at the cafeteria before, tina didnt want to eat there again. (山东2013)a. having eaten b. to eat c. eat d. eating 2. _ the course very difficult, she decided to move to a lower level. (北京2013)a. find b. finding c. to find d. found3. i got to the office earlier that day, _ the 7:30 train from paddington. (2013 大纲全国卷ii)a. caught b. to have caught c. to catch d. having caught4. _ which university to attend, the girl asked her teacher for advice. (四川2013)a. not knowing b. knowing not c. not known d. known not 5. when i was little, my mother used to sit b