1、高中英語課件（madeofdingshangtuwen）Unit 4Wildlife protectionLearning about Languagebite vt. & vi. 咬; 叮; 刺痛【語境領悟】*What should you do if you are being bitten by mosquitoes?如果你正在被蚊子叮咬, 你應該怎么做?*A poisonous snake bit him in the arm. 一條毒蛇咬了他的胳膊。*Once bitten, twice shy. 一朝被蛇咬, 十年怕井繩。*Barking dogs seldom bite. 愛叫的

2、狗很少咬人。【名師點津】(1)“咬某人的胳膊”表示為bite sb. in the arm, 即“bite+人+介詞+the+部位”。(2)bite的過去式為bit; 過去分詞為bitten。【即學活用】They _mosquitoes. 他們被蚊子叮得很厲害。The fierce shark _. 這條兇猛的鯊魚咬住了他的腿。are badly bitten bybit him by the leg_twice, the postman refused to deliver our letters unless we chained our dog. A. Being bittenB. Bi

3、ttenC. Having bitten D. To be bitten【解析】選B。考查非謂語動詞。句意: 郵遞員因被狗咬了兩次, 拒絕給我們送信, 除非我們把狗拴住。the postman和bite之間是被動關系, 過去分詞表示完成了的動作。【要點拾遺】1. pick out 挑選; 分辨出【語境領悟】*Please pick out the most helpful piece of advice. 請挑選出最有幫助的一條建議。*He easily picked out his friend from the crowd. 他從人群中很容易地就認出了他的朋友。 【歸納拓展】pick up

4、拾起; 學到; 獲得; 收聽到; 搭載; 染上(疾病或壞習慣); 加速; 身體康復【即學活用】完成句子。She _from thousands of applicants for the job. 從數千申請人中挑選出她來做那份工作。(2014臨汾高一檢測)It was so dark in the cinema that I could hardly_my friend. A. turn outB. pick outC. pick upD. bring out【解析】選B。句意: 電影院里那么黑暗以致于我幾乎不能辨認出我的朋友。pick out分辨出; turn out結果是; pick u

5、p拾起; bring out使出現, 使顯明。was picked out2. After a while she saw some zebra with black and white lines going beneath their stomachs. 過了一會兒她看到了一些斑馬, 它們身上有從上一直延伸到腹部的黑白相間的條紋。【句式分析】(1)這是一個含有with復合結構的簡單句。句中的“with black and white lines going beneath their stomachs”作后置定語修飾“some zebra”。(2)with的復合結構為“with +賓語(n

6、. /pron. )+賓語補足語”。在句中with復合結構多數充當狀語, 表示行為方式、伴隨情況、時間、原因或條件。在句中也可以作定語。【名師點津】 圖示with復合結構*He often sleeps with the windows open. 他經常開著窗睡覺。*The building looks more beautiful with all the lights on. 所有的燈都開著, 這樓顯得更加漂亮。*The teacher went into the classroom with some books in his hand. 老師手里拿著幾本書走進教室。*With the

7、 problem settled, he went home. 這個問題解決后他就回家了。*With you standing there, we cant work. 你站在那兒我們無法工作。*I cant go out with lots of homework to do. 因為有很多作業要做, 我不能出去。【即學活用】用with的復合結構完成句子。_, I finished the work in time. 有了湯姆的幫助, 我及時完成了這項工作。The thief was brought in _. 小偷雙手被捆著帶了進來。The guard stood at the gate _

8、. 衛兵手持槍站在門口。_, weve got more room. 約翰不在, 我們有了更多的地方。With Tom helping mewith his hands tiedwith a gun in his handsWith John away(2012遼寧高考)The old couple often take a walk after supper in the park with their pet dog_them. A. to followB. followingC. followedD. follows【解析】選B。考查with的復合結構。句意: 這對老夫婦經常在晚飯后帶著

9、他們的寵物狗在公園里散步。在with的復合結構中, 賓語their pet dog與賓語補足語之間為主動關系, 故用following作賓語補足語。現在進行時的被動語態1. 現在進行時的被動語態的基本結構【語境領悟】*A new library is being built now. 一座新圖書館正在被修建。*Some animals are not being protected well enough. 有些動物沒有受到足夠好的保護。*Is the bridge being repaired now?現在那座橋在修嗎?*What is being done on the new medic

10、ine?正在這種新藥物上做什么?*How many bridges are being built in the town?在這個鎮里在建的橋有多少?【知識歸納】肯定結構be(am/is/are)being done否定結構be(am/is/are)+ not + being done一般疑問結構be(am/is/are)+主語+ being done特殊疑問結構特殊疑問詞+ be(am/is/are)+主語+ being done【思維延伸】主動語態變被動語態的原則“三變”: 原句主語變為by短語, 賓語變為主語, 謂語由主動變為被動; “三不變”: 原句意思不變, 原句時態不變, 原句主謂

11、賓以外成分不變。*They are building nine parks. Nine parks are being built. How many parks are being built?2. 現在進行時的被動語態的基本用法【語境領悟】*She is being examined by the doctor now. 現在她正在被醫生檢查。*The life of the panda is being studied at present. 現在正在研究大熊貓的生活環境。*Some rock music is being played by them next. 下面將由他們演奏一些搖

12、滾音樂。*Tom is always being praised by the teacher. 湯姆總是受到老師的表揚。【知識歸納】(1)表示正在進行或發生的被動動作, 常與now, look等詞連用。(2)表示現階段或目前這段時間正在進行的被動動作, 但這一被動動作在此時不一定正在發生。(3)表示按計劃、安排主語將要承受某個動作。(4)表示一種經常性或習慣性的被動行為, 常與always, forever, continually, constantly等詞連用, 往往帶有贊揚、責備、厭煩及埋怨等感情色彩。【深化點撥】使用現在進行時的被動語態應注意的問題: (1)在現在進行時的被動語態中b

13、e(am/is/are)為第一助動詞, being為第二助動詞, 缺一不可, 且位置不可互換。*My computer is being repaired now. 我的電腦現在正在被修理。(強調正在被進行)(2)像take care of, look after, talk about, think of等動詞與介詞構成的短語用于現在進行時的被動語態時, 其中的介詞不可省略。*Something is being talked about among those people. 在那些人中正談論著某件事情。(3)“be(am/is/are)+ under/in+n. ”有時可相當于現在進行時

14、的被動語態。*The school is still under construction now. =The school is being built now. 學校現在正在建設中。*The new law is in use. =The new law is being used. 這項新法律正被使用。(4)有些動詞進行時的主動形式就可以表示被動的意思, 常見的這些動詞有: print, cook, fry, bake, burn, hang等。*The house is burning. 房子著火了。*The meat is cooking. 正在煮肉。(5)有些表“狀態, 心理活動,

15、 情感”等的動詞, 常用一般現在時的被動語態表示“正在進行”。*You are wanted on the phone. 有人打電話找你。*MP3 is becoming more and more popular. In other words, it is loved by more and more people. MP3越來越受歡迎, 換句話說, 它越來越受人們的喜愛。(2012四川高考)They are living with their parents for the moment because their own house_. A. is being rebuiltB. ha

16、s been rebuiltC. is rebuilt D. has rebuilt解題分析: 【活用】1. (2013北京高考)So what is the procedure?All the applicants_before a final decision is made by the authority. A. interviewB. are interviewingC. are interviewed D. are being interviewed【解析】選C。考查時態和語態。句意: 那么程序是什么呢?所有的申請人在官方做出最終決定之前都要被面試。由上下語境可知說話人在陳述一項規

17、定, 故用一般現在時, 且主語與interview之間是被動關系, 故選C。2. (2012重慶高考)Food supplies in the flood-stricken area_. We must act immediately before theres none left. A. have run out B. are running outC. have been run out D. are being run out【解析】選B。考查時態和語態。句意: 供應洪災地區的食物快用完了。我們必須在用完之前立刻采取行動。run out是不及物動詞詞組, 不能用于被動語態, 排除C、D;

18、 由第二句中的before theres none left可知, run out是將要發生的動作, 應用將來時。have run out是現在完成時, 表示動作的完成; are running out是進行時, 可以表將來, 故選B。3. (2014嘉興高一檢測)Hi, Tony, can I use your computer for a while this afternoon?Sorry. _. A. Its repaired B. It has been repairedC. Its being repaired D. It had been repaired【解析】選C。考查動詞的

19、時態和語態。句意: 嗨, Tony, 我今天下午能用會兒你的電腦嗎?很抱歉。它正在被修理。結合句意可知, 為進行時態的被動語態, 故C項正確。【補償訓練】1. (2010上海高考)The church tower which_will be open to tourists soon. The work is almost finished. A. has restored B. has been restoredC. is restoring D. is being restored【解析】選D。考查動詞的時態和語態。句意: 那個正在修復的教堂塔很快就會對游客開放。修復工作差不多完成了。根據

20、句意可知修復正在進行中, 故用現在進行時的被動語態。A, C都表示主動, B是現在完成時的被動語態, 故D項正確。2. (2010天津高考)Traditional folk arts of Tianjin like paper cutting _ at the culture show of the 2010 Shanghai World Expo. A. are exhibiting B. is exhibitingC. are being exhibited D. is being exhibited【解析】選C。考查現在進行時態的被動語態。句意: 像剪紙一樣的天津民間傳統藝術品正在201

21、0年上海世博會的文化展覽中展出。根據句意可知“正在被展覽”, 所以用現在進行時態的被動語態形式。3. (2010北京高考)In the spoken English of some areas in the US, the “r” sounds at the end of the words_. A. are dropped B. dropC. are being dropped D. have dropped【解析】選A。考查動詞的時態和語態。句意: 在美國一些地區的口語里, 單詞末尾的“r”音被省略。the “r” sounds與drop為被動關系, 且本句說的是一種現象, 用一般現在時,

22、 故A項正確。. 把下列句子變為被動語態1. They are painting our classroom. Our classroom _by them. 2. Many people are always asking him silly questions. He _silly questions by many people. 3. The old man is looking after the little dog. The little dog _by the old man. is being paintedis always being askedis being looked after4. Mary is writing a letter to her brother. A letter _by Mary to her brother. 5. They are interviewing him now. He _now. 6. They are planting trees on both sides of th