Unit 2 Discover useful structures 教案-2022-2023学年高中英语人教版（2019）选择性必修第四册

2019新人教高中英语选择性必修四 Unit2 Iconic Attractions Learning about Language 公开课教案 Teaching aims: By the end of this period, students will be able to 1. 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: StepⅠ　Revision Look 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.S　　　　by the news on the phone, the boy opened his mouth wide.  Suggested answers: 1.broken　2.built　3.heard　4.excited　5.Shocked Activity 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) StepⅡ　Find,analyse and summarise Activity 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. Function Example Reason 表语 (