1、GRAMMAR动词-ing 形式作状语我们在高一已经学习过动词-ing 形式的用法，现在简要回顾一下其作状语的用法。【归纳】动词-ing 形式可以作状语，表示时间、原因、条件、让步、结果或伴随情况等。此外，动词-ing 形式作状语时，其逻辑主语应与句子的主语一致。如：Hearing someone call his name, David went out to see who it was.Being ill for a few days, she doesnt feel like eating anything.Looking on the bright side of things, y
2、ou will live happily.Weighing almost one hundred kilos, the stone was moved by the boy alone. The song Little Apple is sung all over the country, making it very popular. The guests sat at the table, chatting and laughing.动词-ing 形式的一般式所表示的动作常与谓语动作同时发生，其完成式所表示的动作发生在谓语动作之前。如：Reading the book alone in h
3、is room, Peter nodded from time to time. Having eaten too much for supper, Tom couldnt go to sleep.动词-ing 形式的否定形式常在其前面加 not。如：Not being noticed by anyone, she left the room.Not having done it right, I tried again.动词-ing 形式作状语时，其前往往可以加 when, while, if, unless, once, though 等连词，构成“连词+动词 -ing 形式”结构。如：W
4、hen visiting the Great Wall, they made a side trip to the nearby villages.Though living near my aunts house, I seldom see her these days.动词-ing 形式的逻辑主语与句子主语不一致时，可将其逻辑主语置于其前，构成独立主格结构。如：The boy leading the way, we had no trouble finding the cave.动词-ing 形式或独立主格结构作状语时，可转换为相对应的状语从句。如：Hearing the sad stor
5、y, Emma was moved to tears. = When she heard the sad story, Emma was moved to tears.Not having done physical exercise for some time, Tim is not as energetic as before.= Because he hasnt done physical exercise for some time, Tim is not as energetic as before.Time permitting, Id like to see the new fi
6、lm. = If time permits, Id like to see the new film.【即学即练】 I. 用括号内动词的正确形式填空。1. When _ (enter) the room, I felt some change in the atmosphere at once. 2. _ (see) the movie before, I dont want to see it again.3. _ (discover) that he had a talent for music, the shop assistant gave up his job to become a
7、 professional singer. 4. _ (be) ill for three weeks, her mother felt rather weak.5. _ (warn) that bad weather lay ahead, the ships captain changed course.6. There _ (be) ice on the road, the driver was told to slow down.II. 用括号内动词的正确形式完成下面短文。1. _ (cause) more serious accidents last year than ever, y
8、oung motorists now face stricter rules from the US Traffic Safety Board. 2. _ (concern) for the safety of people, experts hold the view that young drivers especially should be banned from the roads at night. 3. _ (have) a few drinks with their friends in a pub, young motorists often feel over-confid
9、ent behind the wheel. The worst time for accidents is Friday and Saturday nights. Although 4. _ (drive) less than adults at night, teenagers are involved in more deathly accidents.In many southern states, with an adult holding a driving license 5. _ (sit) beside them, children of 15 or 16 are allowe
10、d to drive. The state issuing driving licenses to the youngest drivers is Arkansas. There children of 14 may drive under supervision (监督) of an adult. 6. _ (drive) for two years the teenagers are then issued an official license. They are only 16. Most experts agree that, 7. _ (be) so young, youths c
11、annot all be expected to act like responsible drivers. 8. _ (realize) this, several states have started to change the respective state laws.参考答案：【即学即练】 I. 1. entering 2. Having seen 3. Discovering / Having discovered 4. Having been 5. Having been warned 6. beingII. 1. Having caused 2. Concerned 3. Having had 4. driving / having driven 5. sitting 6. Having driven 7. being 8. Having realized / Realizing
