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1、1. The coqui frog population has been increasing in Hawaii since 1988, but just recently exploded.since 引导的状语(从句),要注意主句和引导的状语(从句),要注意主句和从句中动词时态的考查。从句中动词时态的考查。1. He left the village in 1982 and I havent seen him since then. 1982年他离开这个年他离开这个村子,从那以后我再没见过他。村子,从那以后我再没见过他。2. Shes been working in a bank si
2、nce leaving school. 她中学毕业后就一直在一家银行她中学毕业后就一直在一家银行工作。工作。3. He had spoken to her only once since the party. 自从那次聚会以来,他只跟她说过自从那次聚会以来,他只跟她说过一次话。一次话。1. He left home two weeks ago and we havent heard from him since. 他两周前离他两周前离开了家,到现在我们一直没有他的消息。开了家,到现在我们一直没有他的消息。2. He came to Zhenjiang 6 years ago and has l
3、ived here (ever) since. 他他6年前来到镇年前来到镇江,从此便住在这里。江,从此便住在这里。例如:例如:He has studied very hard since he came to our school.自从他来到我们学校,他学习就非常努自从他来到我们学校,他学习就非常努力。力。We have been missing them since they left here. 自从他们离开这里,我们就一直很想念自从他们离开这里,我们就一直很想念他们。他们。Since I left college, I have not seen him.自从我离开大学以后自从我离开大学
4、以后, 就没有见过他了。就没有见过他了。They have never been to see me since I was ill.自从我生病之后自从我生病之后, 他们一直没来看过我。他们一直没来看过我。例如:例如:I havent heard any noise since I slept. 例如:例如:I havent heard from him since he has lived there。 句型句型I It has been quite some time since I was last in London. 我上次离开伦敦至今颇有一段时间了。我上次离开伦敦至今颇有一段时间了
5、。句型句型II:It was three years since we had been here. 那时我们在这已呆了三年。那时我们在这已呆了三年。It is three years since I have seen him.我已经三年没见到他了。我已经三年没见到他了。(05 京春京春) It is almost five years _ we saw each other last time.A. Before B. since C. after D. when【解析】【解析】B-Has he been home? -_, he _ home since he graduated.A.
6、No; hasnt been B. Yes; has been C. No; isnt D. Yes; is AThe worlds population is increasing faster and faster. 全世界的人口增长得越来越快。全世界的人口增长得越来越快。At the beginning of the twentieth century, the worlds population was about 1,700 million. 在二十世纪初在二十世纪初, 全世界的人口大约是十七亿。全世界的人口大约是十七亿。“About seventy percent of the p
7、opulation in China farmers. 中国大约有百分之七十的人口是农民。中国大约有百分之七十的人口是农民。China has a population of about 1.3 billion. (=There is a population of about 1.3 billion in China.) 中国大约有十三亿人口。中国大约有十三亿人口。New York is a big city with a population of over 10 million. 纽约是一个有一千多万人口的大城市。纽约是一个有一千多万人口的大城市。India has a large po
8、pulation. 印度人口众多。印度人口众多。Singapore has a small population. 新加坡人口少。新加坡人口少。例如例如:-How large is the population of your hometown? 你们家乡有多少人口你们家乡有多少人口?-The population of our hometown is nearly twice as large as that of yours. 我们家乡的人口是你们家乡人口的将近两倍。我们家乡的人口是你们家乡人口的将近两倍。-What is the population of Canada? 加拿大的人口有
9、多少加拿大的人口有多少?-The population of Canada is about 29 million. 加拿大的人口大约有二千九百万。加拿大的人口大约有二千九百万。六、六、population还表示还表示某地、某类的动、某地、某类的动、 植物或物品的总数植物或物品的总数”。In India, however, the population of tigers increased, from 2,000 in 1972 to about 5,000 in 1989. 然而在印度然而在印度, 老虎的总数已从老虎的总数已从1972年的年的2,000只增长到了只增长到了1989年的大约年
10、的大约5,000只。只。I had planned to visit you on the way to Shanghai, but an unexpected thing happened at that time.= I planned to have visited you on the way to shanghai, but 注意这两句时态的变更,意思不变。注意这两句时态的变更,意思不变。(1) 收获收获(庄稼等庄稼等)。 We brought in a good harvest last year. 我们去年获得了好的收成。我们去年获得了好的收成。(2) 获利,获利,(使使)得到得
11、到(收入收入)。 The sale of the house only brought in about $45,000. 房子只卖了大约房子只卖了大约45000美元。美元。(3) 介绍,引进。介绍,引进。He brought in six new members last month. 他上个月介绍了六位新会员。他上个月介绍了六位新会员。(4) 聘请。聘请。Theyve brought in experts to advise on the scheme. 他们已聘请专家对这项计划提出意见。他们已聘请专家对这项计划提出意见。(5) 逮捕,抓入警察局。逮捕,抓入警察局。Two suspicio
12、us characters were brought in. 两个可疑的人被逮捕。两个可疑的人被逮捕。3. They have quickly spread around the Hawaiian Islands, hidden in plants.There are many efforts in Hawaii designed to stop the spread of the coqui.a. 及物动词的过去分词,具有被动和完成及物动词的过去分词,具有被动和完成 的意义。的意义。a broken cupa wounded soldieran unexpected guestthe exc
13、ited crowd A cup which is broken A soldier who was woundedA guest who is unexpectedThe crowd who were excitedc)有时通过一个名词或数词加另一个名词的有时通过一个名词或数词加另一个名词的 过去分词可以构成生动形象的复合形容词。过去分词可以构成生动形象的复合形容词。 * a three-legged table * a one-eyed general * an honest-faced man a grown womana retired officerA woman who has g
14、rownA officer who has retireda letter written in pencilthe book borrowed by Jackthe machines produced last year= a letter which was written in pencil= the book which was borrowed by Jack= the machines which were produced last yearThis object, discovered almost by accident, has changed machine.= This
15、 object, which was discovered almost by accident, has changed machine.1 现在分词表示主动,及物动词现在分词表示主动,及物动词 的过去分词表示被动的过去分词表示被动鼓舞人心的演说鼓舞人心的演说受到鼓舞的观众受到鼓舞的观众落叶落叶(正往下落的正往下落的)落叶落叶(已经落到地面的已经落到地面的)2 现在分词作定语,多表示现在分词作定语,多表示“动作正在进行动作正在进行”或或“与谓语同时进行与谓语同时进行”或或“经常性经常性”。过去分词作定语,则多表示分词动作过去分词作定语,则多表示分词动作“先于先于谓语动词表示的动作谓语动词表示
16、的动作” 或或“ 没有一定的时间没有一定的时间性性”1. Do you know the boy _ (lie) under the big tree?2. “Cant you read?” Mary said angrily _ (point) to the notice.lyingpointing3. The woman _ (sell) vegetables has gone.4. The wheat is watered by water _ (bring) from a pond.5. He is a leader _ (respect) by the people.sellingb
17、roughtrespected3. 及物动词的及物动词的过去分词过去分词(done)与与现在分词的现在分词的 被动式被动式(being done)都可以表示都可以表示“被动被动”, 但前者多但前者多表示一个完成了的动作表示一个完成了的动作,而后,而后 者则者则表示一个正在进行的动作表示一个正在进行的动作.the problem discussed yesterdaythe problem being discussed 4. 过去分词过去分词(done)与与现在分词的完成被动式现在分词的完成被动式 (having been done)都表示都表示“完成完成”和和“被被 动动”,但,但前者的时间
18、性不变前者的时间性不变,而后者,而后者更更加加 强调分词动作明显先于谓语动作。强调分词动作明显先于谓语动作。1. He is a teacher _ (respect) by all.2. _ (tell)to stay in Beijing, the boy decided not to return to his village.respectedHaving been told4. But in Hawaii, the foreign frog has been condemned as a harmful animal.be condemned as ”被咒诅为被咒诅为.”,类似表达法
19、还有:,类似表达法还有:5. and local people have complained about the loud calls made by the coqui frogs. vi. complain to sb. about sth. 向某人报怨某事。向某人报怨某事。I have to complain to the manager about it. 对这件事我不得不向经理申诉。对这件事我不得不向经理申诉。 vt. 抱怨抱怨; 控诉控诉 +that He complained that the exam was too hard. 他抱怨考试太难了。他抱怨考试太难了。 1. I
20、 have a complaint of the chest. 我胸部不适。我胸部不适。 2. You have no cause for complaint. 你没有理由抱怨。你没有理由抱怨。 3. The road-works caused much complaint among local residents. 修路引起周围居民很多怨言。修路引起周围居民很多怨言。4. You have no cause/grounds for complaint. 你没有理由抱怨。你没有理由抱怨。5. She lodged a complaint about the noise. 她就噪音问题提出投诉
21、。她就噪音问题提出投诉。1. Find the words from the article to match the following explanations. The first letter has been given to you. 1) by accident, unexpectedly, unintentionally (para.3)2) quickly and strongly (para.3)3) to cover a a large area or period of time(para.3)4) to criticize, to disapprove of(para
22、.5)5) main, principle, chief(para.6)accidentallysharplyspreadcondemnmajor6) to influence, to act on, to change(para.7)7) to make smaller or cheaper (para.8)8) to allow, to make it possible(para.8)9) to move, carry, take(para.8)10) useful, powerful, strong(para.9)affectreducepermittransporteffective2
23、. Complete the following sentences with the proper forms of the words you have got in Task 1.1) His efforts to improve the school have been very _.2) I will come in June if my health _.3) The rain will _ our plans for a picnic.4) At that time women were _ for wearing short skirts.condemnedeffectivea
24、ffectpermits5) After the storm the temperature dropped _.6) Columbus discovered America _.7) The kids _ their toys all over the room.8) Health care is one of the _ problems of our time.9) We have _ the price of the coat from $100 to $65.10) It took all day to _ the furniture to the new apartment.acc
25、identallyspreadmajorreducedtransportsharply3. Choose the right word form from each group to complete each of the sentences. Change the form if necessary.A. The dog seems fierce, but it is _.B. Youre _ your eyes while reading in such dim light.C. Follow the directions carefully, or this medicine may be _.harmlessharmingharmfulA. He joined the army and was _ off to a training camp
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