高中英語選修七 Unit 03 B（ppt課件）

1、Discovering useful words and expressions,Find out the words in the text and judge how they have been used.,dive,witness,pause,urge,drag,1,1,2,2,2,1,學(xué)習(xí)交流課件,Key to Ex. 2.,1. anecdotes,2. Teamwork,3. conservation,4. opposite,5. abandon,Key to Ex. 3.,When I was young, my parents like jogging on the beac

2、h. So we used to visit the seaside on our _ holiday. We always stayed in _ close to the _ because my parents had a good _ with the owner of the hotel. We also went snorkeling each time and would _ under the waves to see the colorful fish. As I grew older I was allowed to go to greater _ and further

3、out beyond the bay. There I saw small _ as they swam lazily around the sea bottom. One day I _ how they would pursue their prey swiftly, and the small fish had no time to _ away. I wanted to _ and warn the poor fish but that was impossible underwater. Thank God it was; otherwise, I might have been s

4、wallowed instead!,annual,accommodation,shore,relationship,dive,depths,sharks,witnessed,flee,yell,2,學(xué)習(xí)交流課件,Discovering useful structures,Key to Ex. 1.,I heard a loud noise coming from the bay. animal opposite us throwing itself and then crashing down again. I had already heard that Gorge didnt like b

5、eing kept waiting Without pausing we jumped into the boat with the other whalers and and could see Old Tom swimming by the boat, showing us the way. so George started beating the water with his oar and there was Tom, circling back to the boat, leading us to the hunt again. Using a telescope we could

6、 see that something was happening. I could see a whale being attacked by a pack of about six other the killer over there are throwing themselves on top of the whales blow-hole to stop it breathing. And those others are stopping it diving or fleeing out to sea. George told me, pointing towards the hu

7、nt. The killers started racing between our boat and the whale just like Being badly wounded the whale soon died. The men started turning the boat around to go home. added Red, laughing. urged George, shouting loudly. From Jamess face, I could see he was terrified of being abandoned by us. I saw Jame

8、s being firmly held up in the water,3,學(xué)習(xí)交流課件,Key to Ex. 2.,being attacked Being held up Being included,Having been accepted being told Being helped out,being taken being photographed being swallowed,Key to Ex. 3.,Fishing net in the sea have become a serious problem. They may be many kilometers long

9、with plastic balls to keep them floating on the water, and weights to hold them down on the seabed. Unfortunately, the plastic nets are impossible to see underwater. So the term to describe them is “a wall of death”. Their advantage is that they catch fish efficiently. However, they also cause dange

10、r to sea animals. First, not only target fish are caught in the net, but many other sea animals are found hanging there. Those not needed for marketing are thrown away. Second, nets are in danger of being cut loose by fishermen. If a net becomes free-floating, it is moved by the tides all over the o

11、cean. It behaves as a hidden danger, killing all that are trapped in it. So many animals being caught in driftnets make many think that it is necessary to have a worldwide ban on all driftnet fishing.,4,學(xué)習(xí)交流課件,Unit 3,Grammar,Revisethe Passive Voice of ing Form,5,學(xué)習(xí)交流課件,一、行為主體不明確，不必說出或者無法說出動(dòng)作的執(zhí)行者時(shí)。例如

12、： Football is played all over the world 二、不易找到或根本就不可能找到動(dòng)作的執(zhí)行者時(shí)。例如： My bike was stolen我的自行車被盜了。,何時(shí)使用被動(dòng)語態(tài)呢？,6,學(xué)習(xí)交流課件,三、漢語中含有“據(jù)說”、“據(jù)悉”、“有人說”、“大家說”等時(shí)。例如： It is said that one day he climbed to the top of a house. It was reported that her mother died of SARS. 眾所周知 It is well known that. 據(jù)推測說 It is suppose

13、d that,7,學(xué)習(xí)交流課件,四、漢語中含有“被”、“由”等詞時(shí)。 例如： Wei Hua was asked to come by Lin Tao 魏華是被林濤叫來的。 五、某些句子習(xí)慣上用被動(dòng)語態(tài)。 例如： He was born in October, 1989,8,學(xué)習(xí)交流課件,六、表示禮貌時(shí)。 例如： You are friendly invited to come to our English party at 8:00 p.m. tomorrow 敬請您明天晚上8：00光臨我們的英語晚會(huì)。,9,學(xué)習(xí)交流課件,V-ing 形式由 “doing” 構(gòu)成， 其否定形式是 “not d

14、oing”, V-ing 可以帶賓語或狀語構(gòu)成 V-ing 短 語，沒有人稱和數(shù)的變化，但有 時(shí)態(tài)和語態(tài)的變化。,V-ing 形式,10,學(xué)習(xí)交流課件,(not) doing,(not) being done,(not) having done,(not) having been done,11,學(xué)習(xí)交流課件,當(dāng)非限定性動(dòng)詞-ing的邏輯主語 是-ing所表示的動(dòng)作對(duì)象時(shí)要用 -ing的被動(dòng)形式，包括其一般形式 “(not) being+-ed分詞和完成形式 “(not) havingbeen+-ed分詞” 。,什么情況用V-ing 形式的被動(dòng)式呢？,12,學(xué)習(xí)交流課件,當(dāng)動(dòng)詞-ing 形式的

15、邏輯主語是 動(dòng)作的承受者時(shí)，就要用動(dòng)詞-ing 形式的被動(dòng)語態(tài)。 動(dòng)詞-ing形式的被動(dòng)語態(tài)和它的 主動(dòng)語態(tài)一樣，在句中可以作主語、 賓語、定語、狀語。,動(dòng)詞-ing形式的被動(dòng)語態(tài),13,學(xué)習(xí)交流課件,1. Being killed by sharks in the sea is a common thing. 2. Being helped out by the killer whales, the whalers were able to make successful kill.,用作主語,14,學(xué)習(xí)交流課件,_ to sunlight for too much time will do

16、 harm to ones skin. (上海高考題 2002)A. Exposed B. Having exposedC. Being exposed D. After being exposed,分析：本句中expose與ones skin是動(dòng)賓 關(guān)系，根據(jù)句意，應(yīng)該是皮膚被暴露在 陽光下，所以要用動(dòng)詞-ing形式的被動(dòng) 形式作主語，故答案為C。,15,學(xué)習(xí)交流課件,He was afraid of being scolded by the teacher. 2. I remember having been told the story. 3. I didnt like the idea

17、 of being thrown about in a boat on a rough sea.,用作賓語,16,學(xué)習(xí)交流課件,V-ing 形式既可作動(dòng)詞的賓語, 也可作 介詞的賓語。 The bird escaped _ (catch). He was afraid of _ (abandon) by us.,being abandoned,being caught,17,學(xué)習(xí)交流課件,在 avoid, admit, appreciate, complete, consider, delay, enjoy, escape, excuse, finish, forgive, imagine,

18、mind, miss, practise, risk, suggest, give up, put off, feel like, insist on 等后只接V-ing形式作賓語。,注意,18,學(xué)習(xí)交流課件,The problem being discussed now is very important. 2. The house being built will be our library upon its completion.,用作定語,19,學(xué)習(xí)交流課件,1. Being asked to answer the question, she couldnt refuse. 2. H

19、aving been given such a good chance, how would you not value it at all?,用作狀語,20,學(xué)習(xí)交流課件,Ving 一般時(shí)和一般時(shí)的被動(dòng)形式; (1) He hurried home, looking behind from time to time. (2) The building being repaired is our dormitory.,21,學(xué)習(xí)交流課件,Ving 的完成時(shí)和完成時(shí)的被動(dòng)形式,(1) Having heard this , our teacher expressed her satisfacti

20、on. (2) Having been asked to stay, I couldnt leave.,22,學(xué)習(xí)交流課件,在絕大數(shù)情況下，句子的邏輯主語是句中的主語，但有時(shí)可有一個(gè)名詞或代詞表示邏輯上的主語，這種帶邏輯主語的結(jié)構(gòu)稱為獨(dú)立結(jié)構(gòu)。 The meeting being over, we all left the room and drove home. 會(huì)議結(jié)束后, 我們都離開房間開車走了。,23,學(xué)習(xí)交流課件,It being a holiday, all the shops were shut. 由于今天是假日，所有商店都關(guān)門了。 The heavy frost coming

21、on, dead leaves lay thick on the ground. 濃霜降臨, 落葉滿地。,24,學(xué)習(xí)交流課件,一些動(dòng)詞如need, want, require等作 “需要”講時(shí), 其后的動(dòng)詞-ing形式的主 動(dòng)語態(tài)表示被動(dòng)意義, 也可以用不定式的 被動(dòng)形式來替換。如：,注意,The blackboard needs cleaning. = The blackboard needs to be cleaned. 黑板需要擦干凈。,25,學(xué)習(xí)交流課件,The broken window wants repairing. = The broken window wants to be

22、 repaired. 那個(gè)破窗戶需要修理。,另外注意be worth及be worthy 的用法：The problem is worth discussing.The problem is worthy of being discussed.The problem is worthy to be discussed.,以上三個(gè)句子都意為“這個(gè)問題值得討論”。,26,學(xué)習(xí)交流課件,1. - What made Bill so angry? - _. His girl friend promised to come at 8:30, but she hasnt come yet. A. Havi

23、ng kept waiting B. Being kept waiting C. To be kept waiting D. Being kept waited,Practice,27,學(xué)習(xí)交流課件,2. The building _ in our school is for us teachers. Though theres noise most of the day, we still feel happy about it. A. built B. having been built C. to be built D. being built,28,學(xué)習(xí)交流課件,3. The squi

24、rrel was lucky that it just missed _. A. catching B. to be caught C. being caught D. to catch,29,學(xué)習(xí)交流課件,4. While shopping, people sometimes cant help _ into buying something they dont really need. A. to persuaded B. persuading C. being persuaded D. be persuaded,30,學(xué)習(xí)交流課件,5. _ many times, the boy still didnt know how to do the exercises. A. Having taught B. Having been taught C. taught D. Teaching,31,學(xué)習(xí)交流課件,6. _ the w