（2019）新外研版高中英语选择性必修第三册Unit 5 Using language ppt课件.pptx.rar

non-finite forms as subject, object and predicativeReview:Using languagenon-finite forms一、概念动词不定式是非谓语动词形式的一种。它的基本形式是“to +动词原形”,有时可以不带to。动词不定式没有人称和数的变化。在句中不能作谓语,可以作主语、宾语、表语、状语等。动词不定式to do 二、构成1.不定式的一般式肯定结构:to do否定结构:not to doBanks actively encourage people to borrow money.银行积极鼓励人们贷款。Teachers told us not to be late for class.老师告诉我们上课不要迟到。2.不定式的进行时肯定结构:to be doing否定结构:not to be doingThe boy pretended to be reading.那个男孩儿假装正在读书。3.不定式的完成时肯定结构:to have done否定结构:not to have doneShe remembers to have seen the film before.她记得之前好像看过这部电影。三、 不定式的用法1.不定式作主语当动词不定式作主语时,不定式可直接放在谓语动词前的主语位置,此时谓语为单数;也可用it作形式主语,真正主语就是不定式,置于后边。To learn a foreign language well is not easy.学好一门外语不是那么容易。To get up early is necessary.早起有必要。Its important for you to walk after supper.晚饭后散步很重要。2.不定式作宾语(1)有些动词用不定式作宾语,常见的这类动词有 decide,plan,refuse,need,forget,stop,remember,promise,agree,wish,hope,happen等;有些动词后常跟形式宾语it, to do为真正宾语,这些动词常见的有think, make, find, feel等。They decided to have a peaceful talk.I hope to visit the Great Wall again.He refused to do me a favour.I happened to have met her in the park.They found it important to learn English well.I think it my honour to work with her.(2)一些动词后常用不定式to do作宾语的补足语,表示to do的动作是由宾语所做的;如encourage , ask, tell, want等一些动词。The teacher encouraged his students to work hard.这位老师鼓励他的学生努力学习。The police ask us to obey the traffic rules.警察要求我们遵守交通规则。(3)注意一些使役动词let, make, have和感官动词feel, watch, see , hear , notice等动词的主动用法后常用省略to的不定式作宾语补足语,被动需还原出to。Let me help you.Mary made the little boy cry.The little boy was made to cry by Mary.3.不定式作表语不定式作表语时通常放在be,become,seem,appear,get,sound,look,grow等系动词后面,不定式是对主语的具体说明,主语通常为dream,business,wish,plan,duty,idea等词,也可以是what等引导的名词性从句等。当然在一些情况下,如主语被不定式修饰时或主语为what引导且带有do的主语从句时等,不定式to可以省略。My dream is to be a teacher.His duty is to clean the room.What I suggest is to start work at once.To see is to believe.单句语法填空1.It is exciting (hear) the news.答案:to hear2.They refused (cooperate) with us.答案:to cooperate3.We all believe it important (have) fresh air.答案:to have4.There are several tips (form) a good habit.答案:to form5.He feels it his duty (help) me.答案:to help6.He has no idea how (deal) with such problems.答案:to deal7.Id be the first(admit) I might be wrong.答案:to admit8.The purpose of education is (develop)a fine personality in children.答案:to develop.完成句子1.我建议你累了就休息一下。My suggestion is when you feel tired.答案:to have a break2.妈妈总是让我独立做作业。I do homework by myself.答案:was often made to3.越来越多的人开始意识到健康的重要性。An increasing number of people are beginningthe importance of good health.答案:to realise4.爬山是一项好的运动,它对健康有益。Climbing is a good sport , which health.答案:is beneficial to5.我认为被邀请在这儿发言是我的荣幸。I think it my honour speak here.答案:to be invited toLook at the sentences from the reading passage and answer the questions.1 Look at the “to do” structures in sentences (a) and (b). Do they serve the same function in each sentence? 2 In sentence (c), is the -ed form used as an adjective or a past participle? Why does the author use the -ed form other than the -ing form? 3 What is the function of the -ing form in sentence (d)?No, they dont. “To explore” in sentence (a) serves as object and “to float” in sentence (b) serves as predicative. The -ed form is used as an adjective. The author wants to describe the visitors feeling, so the -ed form is used. The -ing form is used as subject. Complete the passage with the correct form of the verbs in brackets. 1 Drawing2 to recreate / recreating3 astonished 4 to explore Read the information below and write a paragraph introducing the 24 Solar Terms with the words in the box.Learning from natures wisdom led farmers in Ancient China to create the 24 Solar Terms Learning from natures wisdom led farmers in Ancient China to create the 24 Solar Terms, which were based on observation of changes of seasons, astronomy and other natural phenomena. Indicating changes in weather conditions, the 24 Solar Terms remain of particular importance to farmers for guiding their practices. The first term is known as “Beginning of Spring”, and marks when the days become longer and the temperature begins to increase. Nowadays, the 24 Solar Terms not only apply to farming, but also guide Chinese people in everyday life. So varied are the functions of the Solar Terms and their contributions to cultural identity, that in 2016, they were added to UNESCOs List of Intangible Cultural Heritage. Work in pairs. Talk about one of the Solar Terms using the structures you have learnt in this unit where appropriate.立春the Beginning of Spring (1st solar term)雨水Rain Water (2nd solar term) 惊蛰the Waking of Insects (3rd solar term) 春分the Spring Equinox (4th solar term) 清明Pure Brightness (5th solar term) 谷雨Grain Rain (6th solar term) 立夏the Beginning of Summer (7th solar term) 小满Lesser Fullness of Grain (8th solar term) 芒种Grain in Beard (9th solar term) 夏至the Summer Solstice (10th solar term) 小暑Lesser Heat (11th solar term)大暑Greater Heat (12th solar term)立秋the Beginning of Autumn (13th solar term)处暑the End of Heat (14th solar term)白露White Dew (15th solar term)秋分the Autumn Equinox (16th solar term) 寒露Cold Dew (17th solar term) 霜降Frosts Descent (18th solar term) 立冬the Beginning of Winter (19th solar term) 小雪Lesser Snow (20th solar term) 大雪Greater Snow (21st solar term) 冬至the Winter Solstice (22nd solar term) 小寒Lesser Cold (23rd solar term)大寒Greater Cold (24th solar term)Inspiration from animals Read the passage about biomimicry and answer the questions. Pay attention to the words and expressions in bold.1 What are the types of biomimicry mentioned in the passage? What else do you know about them? One is copying form and shape. Another one is taking inspiration from the abilities of animals. 2 What other examples of biomimicry can you think of? Share them with the class. Complete the information with the words and expressions in Activity 5. 1 taking inspiration from 2 Copying3 observing 4 inspired by5 seeking solutions to Read the passage and answer the questions. 1 Why were Chinese martial artists inspired by animal movements?2 What were Hua Tuos achivements?Because many Chinese martial artists admired the natural instincts, senses and fighting abilities that other animals possess in order to survive in the wild.Hua Tuo created Wu Qin Xi. He was the first physician to use anesthesia during surgery in China. He was known as the best physician of his time and he was an expert in acupuncture.鹿戏，熊戏，鸟戏，猿戏，虎戏 Listen to the conversation about Wu Qin Xi and tick the topics mentioned by the speakers. Listen again and complete the introduction to Wu Qin Xi. 1 identified with a form of exercise2 the / their organs to work better3 does good to 4 the heart to work well5 deer exercise6 good for the lung7 to live to an advanced age8 more than 90 years of age9 mental benefits10 to relax the mind and improve concentrationComplete the boxes with the expressions from the conversation. Talking about benefits Showing interestBy, you learn It helps people tois good forReally?Thats interesting!Thats very impressive.Sounds great!Learning from nature