Unit 4 Space Exploration Discovering Useful Structures 课件-2020-2021学年高一下学期英语人教版（2019）必修第三册

Unit 4 Space Exploration Grammar Ⅰ 学习目标 1’ 1.To learn the usage of infinitive used as attribute or adverbial in a sentence. 2.To apply what we learn in this period to exercises, especially in writing and grammar filling. 2 Read the sentences below and focus on underlined parts. Then, think about their functions and meanings. Lead in 4’ 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. Some scientists were determined to help humans realise their dream to explore space. 4. On 12 April 1961, Yuri Gagarin became the first person in the world to go into space. infinitive as adverbial infinitive as adverbial infinitive as attribute infinitive as attribute Ⅱ 问题导学1 6’ 1.借助金版P84-85，思考不定式做定语时，不定式和它所修饰的词之间的关系。 2.结合不定式的不同形式完成下表(以动词do为例)。 主动语态 被动语态 一般式 进行式 完成式 完成进行式 4 1. We must find a person to do the work. 2. There are lots of interesting things to see. 3. They g