专题4.2 Unit 4 Discovering Useful Structures（备课件）-【上好课】2021-2022学年高一英语同步备课系列（人教版2019必修第三册）

Unit 4 Space Exploration Discovering Useful Structures 动词不定式作定语和目的状语 1 Contents Part 1 Studying the rules Part 2 Practice 3 Read and pay attention to the words in red. Step 1. Lead in Tianwen-1 is China's first mission to land on Mars. 4 Read and pay attention to the words in red. Step 1. Lead in Flying into space gives us chances to get better understanding of nature. 5 Step 1. Lead in Read and pay attention to the words in red. They took hard training to make preparation for the task. 6 Step 1. Lead in Read and pay attention to the words in red. Wang Yaping took a paper star to keep the promise to her daughter. Step 2. Presentation 动词不定式作_________ Flying into space gives us chances to get better understanding of nature. Tianwen-1 is China's first mission to land on Mars. 定语 7 Step 2. Presentation 动词不定式作_________ Wang Yaping took a paper star to keep the promise to her daughter. They took hard training to make preparation for the task. 目的状语 8 一、动词不定式用作定语 1. 动词不定式作定语常放在名词或不定