Unit 2 Discover useful structures 教案-高中英语人教版（2019）选择性必修第四册.docx

2019新人教高中英语选择性必修四Unit2 Iconic AttractionsLearning about Language 公开课教案Teaching aims:By the end of this period, students will be able to1. find, observe and analyse the examples of past participles in the text. 2. better master the usages of past participles serving as an attribute, adverbial, predicative, or object complement.3. rewrite the sentences using past participles and recognise the difference.4. apply past participles in your writing.Teaching key and difficult points:1. Instruct students to differ the usages of past participles serving as an attribute, adverbial, predicative, or object complement.2. Help students to improve their expressions by using past participle.3. Instruct students to use past participles correctly in the real context.Teaching procedures:StepRevisionLook at the pictures and review what you have learnt about past participles.Activity 1 Fill in the blanks.1.This is a b vase. 2.There is a famous bridge b in 1937. 3.They shouted at each other to make themselves h. 4.The people are e. 5.Sby the news on the phone, the boy opened his mouth wide. Suggested answers:1.broken2.built3.heard4.excited5.ShockedActivity 2 Read the sentences again and discuss the functions of the past participles.1.This is a broken vase.2.There is a famous bridge built in 1937.3.They shouted at each other to make themselves heard.4.The people are excited.5.Shocked by the news on the phone, the boy opened his mouth wide.Suggested answers:1.作定语(attribute)2.作定语(attribute)3.作宾语补足语(object complement)4.作表语(predicative)5.作状语(adverbial)StepFind,analyse and summariseActivity 1 Work in groups and read the text on Pages 14-15 to find as many examples of past participles as possible.Activity 2 Observe the sentences and discuss whether each past participle functions as an attribute, adverbial, predicative, or object complement. And why the past participle is used in each sentence.FunctionExampleReason表语(predicative)e.g.:Im more interested in meeting people in Australia and experiencing their culture, food, and way of life.过去分词interested用作表语,修饰人,即主语I。定语(attribute)宾补(object complement)状语(adverbial)Suggested answers:FunctionExampleReason表语(predicative)e.g.:Im more interested in meeting people in Australia and experiencing their culture, food, and way of life.I was convinced that I could never make a musical sound with this instrument!过去分词interested用作表语,修饰人,即主语I。过去分词convinced用作表语,修饰人,即主语I。定语(attribute)Most of their musical instruments are really just sticks found on the ground, among which there is an amazing instrument called the didgeridoo.A skilled player can play for a long time without stopping to breathe.过去分词found与所修饰名词sticks为被动关系。过去分词called与所修饰名词instrument为被动关系。过去分词skilled用作定语,修饰人,即player。宾补(object complement)Although the main cultural influence since 1788 has been Western culture,minority cultures have also played a part in shaping the unique Australian culture, with many of the new cultural influences contributed by immigrants.过去分词contributed与所修饰名词influences之间为被动关系,即cultural influences which are contributed by immigrants,其结构为“with+宾语+过去分词”。状语(adverbial)Located to the south of the equator, below many other countries on the globe, its often informally referred to as “down under”.过去分词Located与全句主语it有一定的被动关系。StepFill in the blanks and rewrite the sentencesActivity 1 Fill in the blanks.1.Scotland is das “the home of golf” and it is a perfect destination for a relaxing holiday. 2.Cuba is just south of America and it is sfrom America only by the Straits of Florida. It is a country k for its exciting music and dancing. 3.Because many parts of the world are not m yet, researchers have begun a project that involves travelling around the world and taking sample photographs. 4.The Sunday roast was iby the first European settlers to Australia and it is now considered typical Australian food. 5.Though they are e to the freezing weather, many brave tourists and scientists still choose to visit Antarctica. 6.Many capital cities are iby Chinese culture,so they now have Chinatowns which are in themselves popular tourist attractions. Suggested answers:1.described2.separated;known3.mapped4.introduced5.exposed6.influencedActivity 2 Rewrite the sentences using past participles and recognise the difference.For example:1.Described as “the home of golf”,Scotland is a perfect destination for a relaxing holiday.2._3._4._5. _6._Suggested answers:2.Cuba is just south of America,separated from it only by the Straits of Florida. It is a country known for its exciting music and dancing. 3.With many parts of the world not mapped yet, researchers have begun a project that involves travelling around the world and taking sample photographs. 4.Introduced by the first European settlers to Australia, the Sunday roast is now considered typical Australian food.5.Exposed to the freezing weather, many brave tourists and scientists still choose to visit Antarctica.6.Influenced by Chinese culture, many capital cities now have Chinatowns which are in themselves popular tourist attractions.StepCorrect the mistakes in the text and learn the history of the Eiffel TowerActivity 1 Read the text in Activity 2 and answer the following questions.1.What does this text mainly talk about?2.What is the topic sentence?3.What can you see if you look carefully at the tower?Suggested answers:1.The text is mainly about the history of the Eiffel Tower before it was considered an iconic attraction. 2.The Eiffel Tower is the most famous landmark in France, and one of the most visited monuments in the world. But it wasnt always so popular.3.I can see the names of the 72 scientists, engineers, and mathematicians who helped in its construction.Activity 2 The text contains quite a few verb form mistakes. Correct the mistakes on your own.The Eiffel Tower is the most famous landmark in France, and one of the most visiting monuments in the world. But it wasnt always so popular.In fact, in 1886, just after its construction was first propose, many were strongly against it. At that time, it would have been the tallest building in the world, and many claim it would destroy the skyline of Paris, or perhaps even destroy some historic landmarks. The chief engineer, Gustave Eiffel, replied say that such a large monument was necessary to symbolise the great efforts of the French people as well as the great advancements in modern engineering, industry, and science. The next year,Eiffel gains approval and the tower was built in time to celebrate the 1889 World Fair in Paris. If you look carefully at the tower, you can still see the names of the 72 scientists, engineers, and mathematicians who help in its construction. Originally, the tower was planned to be taken down after 20 years, but it proved to be too useful as a communications tower, not to mention a giant advertisement board, before finally becomes the iconic attraction that we all know today.Suggested answers:1.visitingvisited2.proposeproposed3.have beenbe4.claimclaimed5.saysaying6.gainsgained7.helphelped8.becomesbecomingActivity 3 Read the text again and finish the mind map of the history of the Eiffel Tower.Suggested answers:StepHomeworkDo more exercises about past participles.学科网（北京）股份有限公司