分词作状语需要注意的问题:一. 表示伴随，行为方式He ran to me, holding a letter in his hand.Accompanied by his friends, he went to the railway station.He scratched his head, wondering how to solve the problem.She came back running.二．表示时间，相当于when, after 引导的时间状语从句Seeing this, we became worried. (When we saw this, we became worried.)Taking a key out of his pocket, he opened the door. (After he took a key out of his pocket, he opened the door.)Heated to 100 degree, water boils. (When water is heated to 100 degree, it boils.)三．表示原因，背景，状况，相当于because引导的状语从句Not having enough hands, we turned to them for help.Born in a poor family, he had only two years of schooling. Absorbed in his work, he neglected food and sleep.Not having received a reply, he decided to write again.Having finished the experiment, he left the lab.Having been giving such a good chance, hw could she let it slip away. 四．表示条件和假设，相当于if引导的状语从句Taken in time, the medicine will be quite effective.五．表示结果He fell down, striking his head against the ground and hurting it.六．独立主格形式（分词复合结构或独立结构）当上述的分词结构中主句的主语不是现在分词的动作发出者或过去分词的动作承受者时，分词有自己的主语Mother (being) ill, he didn’t go to school.With mother being ill, he didn’t go to school.Cf: Being ill, he didn’t go to school.Weather permitting, we shall go to the city park.Cf: Permitted, we shall go to the city park.The question (being) settled, we wound up the meeting.With the question being settled, we wound up the meeting.He came into the room, his face (being) red with cold.He came into the room, with his face being read with cold.七．已经成为固定用法的分词结构：Frankly speaking, I don’t like this dish.Judging from what you say, he has done a good job.Speaking of arts, do you like oil painting?Supposing (that) it rains tomorrow, will the sports meet be put off? General speaking, he is an honest man.Considering (that) you have finished your homework, you can watch TV now.Taking all things together, we have made quite a lot of money within the first month.Granting these differences, （姑且承认这些区别）Strictly speaking,Broadly speaking,Allowing for, (考虑到)Now try the following questions:1. Just as the value of telephone network increases with each new phone _____ to the system, so does the value of a computer system increase with each program that turns out.a. addingb. to have addedc. to addd. added2. There seemed little hope that the explore, ____ in the tropical forest, would find his way through it.a. to be desertedb. having desertedc. to have been desertedd. having been deserted3. All flights _____ because of the snowstorm, we decided to take the train.a. were canceledb. had been canceledc. having canceledd. having been canceled4. When _____ at the door, she was given a warm welcome.a. appearb. appearedc. appearingd. appears5. _____ from space, our earth, with water covering over 70% of its surface, appears as a “blue planet”a. Seeingb. Having seenc. To seed. Seen6. So many representatives _____, the conference had to be postpone.a. to be absentb. were absentc. being absentd. was absent7. No matter how frequently ______, the works of Beethoven always attract large audience.a. performingb. to be performedc. performedd. being performed8. The integrated circuit has reduced by many times the size of the computer, thus ____ a new generation of portable minicomputers. a. to create b. creatingc. createdd. creates9. When _____ about substances, the scientists find it convenient to classify them into solid, liquid, and gas.a. thoughtb. to thinkc. thinkingd. having thought10. It takes about an hour to get there, ______ possible traffic delays.a. it allowingb. its allowing forc. to allow tod. allowing for11. She had her arm ____ in an accident.a. to breakb. to be brokenc. brokend. breaking12. _____, she went back to her room.a. There is no cause for alarmb. Being no cause for alarmc. There being no cause for alarmd. Without having cause for alarm13. While reading the newspaper, _____.a. a colorful advertisement caught my eyesb.my attention was attracted by an advertisementc.I was attracted by a colorful advertisementd.What attracted my eyes was a colorful advertisement14. ______, he refused to give any explanationa.When asked to comment on the quality of the goodsb.When he being asked to commentc.When asking to comment on the quality of the goodsd.When he asked comment on the quality of the goods15. ____ a raining day, we gave up our plan to go for an outing.a. With itb. Beingc. Because it beingd. It being16. ____ in Beijing for many years, Mr. Park had little difficulty understanding Chinese.a. Having livedb. Livedc. Livingd. To live17. Little Mary ran back to the kitchen, eggs _____ carefully in her hands.a. were heldb. to be heldc. were being heldd. held18. The lecture ____, he left his seat so quietly that no one complained that his leaving disturbed the speaker.a. beganb. beginningc. having begund. had begun。