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1、Unit5 learning about language-discovering -discovering useful structuresuseful structures V-ing 作状语时表示的动作是作状语时表示的动作是主语动作的一部分主语动作的一部分，与，与谓语表示的动作或状态谓语表示的动作或状态同时或几乎同时发生的同时或几乎同时发生的，或是，或是先于谓语动词发生先于谓语动词发生，它的，它的逻辑主语与句子的主语一致逻辑主语与句子的主语一致。V-ing 作状语常表示作状语常表示时间、条件、原因、方式、伴随、时间、条件、原因、方式、伴随、让步、结果让步、结果，多用逗号跟句子其他成分隔
2、开。，多用逗号跟句子其他成分隔开。 I was feeling tired, I went to bed early. I worked hard all day. I went to bed early. Feeling tired, I went to bed early.Having worked hard all day, I went to bed early. Walking along the street, I met Mary. (=While I was walking along the street, ) Hearing the news, they all jumpe
3、d with joy. Being tired, I stopped to take a rest. (=Because I was tired, ) Not knowing her address, we couldnt get in touch with her. 由于不知道她的地址，我们无法和她联系。由于不知道她的地址，我们无法和她联系。听到这个消息时，听到这个消息时， 他们都高兴地跳了起来。他们都高兴地跳了起来。 Turning to the left, you will find the school. (=If you turn the left, ) If you work ha
4、rd, youll succeed. =Working hard, youll succeed. 1. Working hard as he did, he was still unable to support the whole family.2. Knowing where I live, he never comes to see me. =Though he knows where I live, he never comes to see me. 1. I stood there, waiting for her. (=, and waited for her.) 2. Follo
5、wing Mike, they started to climb. 3. The children laughed and talked merrily, and they ran out of the room. The children ran out of the room, laughing and talking merrily.那些孩子们跑出房间，愉快地笑着、说着。那些孩子们跑出房间，愉快地笑着、说着。 如果V-ing 表示的动作发生在句子谓语之前表示的动作发生在句子谓语之前，则要用V-ing 的完成式的完成式，即是： Having +P.P(过去分词过去分词), 主语主语+谓语谓
6、语1. After she had finished her work, she went home.2. As we have invited him here to speak, wed better go to his lecture. Having finish her work, she went home.Having invited him here to speak, wed better go to his lecture.1. _ the championship, he was awarded a million dollars. A. Won B. Winning C.
7、 Having won D. Being won2. _ only book knowledge, you will not be able to work well. A. Had B. Have C. Having D. To have 3. I saw a lot of children playing in the garden most of them _ girls. A. are B. being C. were D. having4. The old man could not sleep at night, his wrongs _ him no peace. A. gave
8、 B. give C. being giving D. giving5. The decision _, what is to be done now is how to carry it out. A. made B. has been made C. having being made D. being made6. _ in the queen for half an hour, I suddenly realized that I had left my wallet at home. A. To wait B. Waiting C. Having waited D. To have
9、waited7. “We cant go out in this winter,” said Ted, _ out of the window. A. looking B. to look C. looked D. having looked8. Finding her car stolen, _. A. a police was asked to help B. the area was searched thoroughly C. it was looked for everywhere D. she hurried to a police for help9. _ a reply, he
10、 decided to write again. A. Not receiving B. Receiving not C. Not having received D. Having not received10. _ the room, I found the recorder stolen.A. Entering B. To enter C. Enters D. Entered11. “What on earth have you done?” mother said _ to the broken vase on the ground. A. angrily pointing B. an
11、d point angrily C. angrily pointed D. and angrily pointing12. _ by car, we visited many places. A. Travel B. Traveling C. To travel D. Having travelledpractice1.“You cant catch me!” Janet shouted, _ away. A. run B. running C. to run D. ran B解析：答案B。running away在此作shouted的伴随状语，由Janet发出这一动作。2. The stor
12、m left, _ a lot of damage to this area. A. caused B. to have caused C. to cause D. having causedD解析：答案D。题意：暴雨过去了，只留下给这一地区造成的巨大损害。由上下文逻辑意义看，此处应表示自然而然的结果，故用现在分词作结果状语。3. _ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home. A. to wait B. have waited C. having waite
13、d D. to have waitedC解析：答案C。此处为现在分词的完成式作时间状语，表明该动作发生在realized之前。4. _ such heavy pollution already, it may now be too late to clean up the river. A. Having suffered B. Suffered C. To suffer D. SufferedA解析：答案解析：答案A A。由。由alreadyalready提示，分词提示，分词动作发生在谓语之前，故须用分词的动作发生在谓语之前，故须用分词的完成式。完成式。5. The secretary worked all night long, _ a long speech for the president. A. to prepare B. preparing C. prepared D. was preparingB解析：答案解析：答案B B。非谓语动词充当伴随状语，。非谓语动词充当伴随状语，与主语与主语the secretarythe secretary是主动关系，因此是主动关系，因此用用v.-ingv.-ing形式。形式。