高中英語(yǔ)：Module2DevelopingandDevelopedCountriesPeriod3Grammar語(yǔ)法專題課情境互動(dòng)課型課件外研版必修.ppt

Module 2 Developing and Developed Countries Grammar,1. Learn to use the link words: but /however; although /while. 2. Learn some sentence structures.,Learning aims,Find these sentences with link words and analyze the structures. The report shows that we are making progress but that we need to make greater efforts. He is thin, but he is strong. In the last ten years in China, 150 million people moved out of poverty. However, the challenges are still great. He said that it was so; he was mistaken, however.,Leading-in,一、but （但是，然而) but 作為并列連詞，在意義上起轉(zhuǎn)折作用。 but 前后的兩個(gè)句子或短語(yǔ)在意義上形成鮮明對(duì)照。 but 用來(lái)連接兩個(gè)分句或兩個(gè)較長(zhǎng)的短語(yǔ)時(shí)， but 前面一般要加逗號(hào)。 1.連接兩個(gè)并列分句 Honey is sweet, but the bee stings.蜜甜須防蜂蜇。,2. 連接兩個(gè)并列成分 They see the trees but not the forest.（連接賓語(yǔ)） He no longer felt disappointed, but happy and hopeful.（連接表語(yǔ)） 3.后接狀語(yǔ) He tried to save it, but in vain. 4.作介詞，意思是“除了”，謂語(yǔ)與前面名詞一致。 All the people but Tom go to the cinema every Sundays. 除Tom之外所有人每周日都去看電影。,1. (2015北京高考)He is a shy man, he is not afraid of anything or anyone. A. so B. but C. or D. as 【解題關(guān)鍵】句意:他是一個(gè)害羞的人,但是并不害怕任何事和任何人。根據(jù)句意可知前后句表示轉(zhuǎn)折,因此選擇but。,【高考鏈接】,2.（2013大綱版全國(guó)卷） I was glad to meet Jenny again, _I didnt want to spend all day with her. A. but B. and C. so D. or 【解題關(guān)鍵】句意：我很高興再次見(jiàn)到珍妮，但是我不想一整天都和她在一起。根據(jù)句意可知前后之間是轉(zhuǎn)折關(guān)系，所以選A。,二、however however 意為“可是，然而，盡管”，比 but 的意味弱，通常用作連接性狀語(yǔ)。其位置可以在句首、句末或插入句中。當(dāng)其被用來(lái)對(duì)照兩個(gè)分句時(shí)，中間需要有一個(gè)逗號(hào)；當(dāng)它被用作句子的插入語(yǔ)時(shí)，則前后應(yīng)各有一個(gè)逗號(hào)。 However，we need not do that now. 可是，我們現(xiàn)在不需要做那個(gè)。,His friends，however，had other ideas. 然而，他的朋友還有其他想法。,【拓展】however 也可用作連詞，意為“不論怎樣”，引導(dǎo)讓步狀語(yǔ)從句=no matter how。 構(gòu)成：however+adj./adv. +主語(yǔ)+謂語(yǔ) However tired you may be, you must do it. 不管你有多累，你非做不可。 Ill come, however busy I am. 我不管怎么忙都會(huì)來(lái)的。,【辨析】 but 與however but和however 兩者都意為“但是, 然而”，但是兩者的用法不同。 (1) however既可以放在句首也可以放在句中，還可以放在句末，并且一般要有逗號(hào)；but常用于句中，后面不加逗號(hào)。 (2) but是并列連詞，表示“可是，但是”，連接兩個(gè)并列分句或者并列成分，意義上構(gòu)成了對(duì)比。however，表示“然而，但是” 的時(shí)候是副詞，不能直接連接兩個(gè)分句，必須另起新句，并用逗號(hào)隔開(kāi)。,1.I really dont like cheese, _ I will try just a little this time. 我實(shí)在是不喜歡吃奶酪，但是這次我要嘗一點(diǎn)。 2. It was raining hard. _, we went out to look for the boy. 雨下得很大。但是，我們出去尋找那個(gè)男孩。,but,However,【即學(xué)即練】,Activity 1 (1) Does however mean the same as but? (2) Which link word begins a sentence? (3) Which link word can join two parts of a sentence? (4) Which link word is followed by a comma?,Yes.,However.,But.,However.,but in a poor country people have few clothes.,however, a much larger percentage of the population is homeless.,but there is often no money for medical care.,however, the families are larger.,Activity 2,Look at the link words although and while in these sentences. We use the words to compare people, situations and things. Norway is at the top of the list, while the United States is at number 7. The UK is in the thirteenth position, while China is in the middle of the list. Although more than 80% of children in developing countries go to primary school, about 115 million children are not being educated. Although developed countries give some financial help, they need to give much more.,although and while,Activity 3,一、 although 表示“雖然，盡管”不與but 連用，但可以和副詞 yet，still 連用，表示轉(zhuǎn)折。 例如： Although he is old, yet he looks very young and healthy. although 比 though 正式，兩者基本上可以通用。但though 引導(dǎo)的從句在句首時(shí)，從句可以倒裝，而although 不可以。例如： Child though /as he is, he helped me a lot. 盡管他還是個(gè)孩子，但是他幫了我很多。,【即學(xué)即練】 _ he had to write a history paper， _ he couldnt find time to do it. A. Although; but B. Although; / C. Even though; / D. Even if; /,although 不能和but 連用,1. (2015湖南高考) the job takes a significant amount of time, most students agree that the experience is worth it. A. If only B. After C. Although D. In case 【解題關(guān)鍵】句意:盡管這項(xiàng)工作花了很長(zhǎng)時(shí)間但大多數(shù)學(xué)生認(rèn)為這個(gè)經(jīng)歷很值得。根據(jù)語(yǔ)境以及句意得知應(yīng)用although引導(dǎo)讓步狀語(yǔ)從句。,【高考鏈接】,2. (2014江蘇高考)Lessons can be learned to face the future, history cannot be changed. A. though B.as C. since D. unless 【解題關(guān)鍵】句意：盡管歷史無(wú)法改變，但是我們可以吸取教訓(xùn)來(lái)面對(duì)未來(lái)。though表示轉(zhuǎn)折。,二、 while作從屬連詞，有以下幾個(gè)意思： 在期間，引導(dǎo)時(shí)間狀語(yǔ)從句 She called me while I was out. 并列連詞表示前后的對(duì)照 “ 然而，而”（放在句中） He is diligent while his brother is lazy. 雖然，盡管（放在句首） While I admit his good points, I can still see his shortcomings.,Activity 4 Join the sentences using the words in brackets. 1. Developed countries are rich. They dont give enough financial help to developing countries. (although) _ _,Although developed countries are rich, they dont give enough financial help to developing countries.,2. Europe has a lot of industry. Africa does not have much. (while） _ 3. In some parts of Europe, incomes are high. In other parts they are much lower. (while) _,Europe has a lot of industry, while Africa does not have much.,In some parts of Europe, incomes are high, while in other parts they are much lower.,4. There is poverty in this area. People are happier than in the city. (although) _ 5. Some children receive a good education. Others never go to school at all. (while) _ 6. Life expectancy is still low. It has improved in the last ten years. (although) _,Although there is poverty in this area, people are happier than in the city.,Some children receive a good education, while others never go to school at all.,Although life expectancy is still low, it has improved in the last ten years.,【即學(xué)即練】 盡管中國(guó)是一個(gè)發(fā)展中國(guó)家，但是它為世界 經(jīng)濟(jì)的發(fā)展作出了巨大貢獻(xiàn)。 （用although , but 與however翻譯） _ _ _ _ _ _ _ _,Although China is a developing country, it makes,great contributions to the development of global,economy.,China is a developing country, but it makes great,contributions to the development of global economy.,China is a developing country. However, it makes,great contributions to the development of global,economy.,. 用but, however, while, although 填空 1. I cannot speak Russian _ my little daughter can. 2. I think there may, _, be some other reasons we dont know about. 3. My brother decided to go to that dangerous place, _ I asked him not to. 4. The boy had said he wouldnt do it again, _ he broke his promise.,while,however,although,but,Class exercises,5.Id like to help you，_, my hands are full. 6. Would you like to join in playing football? Id like to, _I have so much homework to do. 7. Dont talk_ youre eating。 8. _my uncle is old, he looks very strong and healthy.,however,but,while,Although,1. (2014全國(guó)卷) Although we allow tomato plants to grow in the