Unit 4 Space Exploration Discovering Useful Structures 学案-2022-2023学年高一英语人教版（2019）必修第三册

Unit 4 Discovering Useful Structures 【学习目标】 Learning Objectives 1 To identify and analyse the uses of infinitives as adverbials and attributes 2 To use infinitives to describe space facts and efforts to explore space 【学习过程】 Learning activities 目标一：To identify and analyse the uses of infinitives as adverbials and attributes Activity 1: Look at the following sentences and focus on the italicised infinitives. In pairs, discuss their functions and meanings. 1 I trained for a long time to fly airplanes as a fighter pilot. 2 As we all know, an astronaut needs to be healthy and calm in order to work in space. 3 First of all, you must be intelligent enough to get a related college degree. 4 Some scientists were determined to help humans realise their dream to explore space. 5 On 12 April 1961, Yuri Gagarin became the first person in the world to go into space. Find more examples from the text. ____________________________________________________________________________________________________________ Activity 2: Read the following groups of sentences, summarise the usage of infinitives as attribute. Group 1: 1.We must find a person to do the work. 主谓关系 2.There are lots of interesting things to see. 动宾关系 3.They got the order to leave the city. 同位关系 Summary 1: ____________________________________________________________________________________________________________ Group 2: 1. She is the first graduate to get an offer in the big company. 2. He is the only one to survive the accident. 3. He is the right person to do the job. Summary 2: ____________________________________________________________________________________________________________ Group 3: 1. In the past, women had no chance to go to school. 2. He made an attempt to be admitted to the big company. 3. A good teacher must have the ability to make himself understood. 4. I must keep the promise to pay on time. 5. His eagerness to get back home was quite obvious. Summary 3: _____________________