Unit4 Space exploration-Discovering Useful Structures 教案-2022-2023学年高中英语人教版（2019）必修第三册

2019新人教高中英语必修三 Unit4 Space exploration Discovering Useful Structures公开课教案 Teaching aims: 1.Enable students to identify and analyse the usage of infinitives as adverbials and attributes. 2.Help students to master the usage of infinitives as adverbials and attributes through self-study and practice. 3.Guide students to use infinitives to describe space facts and efforts to explore space. Teaching key points: 1. Help students identify the uses of infinitives as adverbials and attributes. 2. Lead students to use infinitives to describe space facts and efforts to explore space. 3. Design specific situations for students to make use of infinitives as adverbials and attributes. Teaching difficult points； 1. How to use infinitives as adverbials and attributes in real situations. Teaching procedures: StepⅠLead-in Mystery creates wonder and wonder is the basis of man’s desire to understand. ____Neil Armstrong To succeed, you must accept all the challenges, can’t just accept the ones you like. _____Mike Gaffka StepⅡ Self-directed study This class we will learn to grasp the basic usages of the present continuous passive voice and put them into practice. First, it’s self-study time. Please observe the example sentences in the sheet and try to summarise their usages by referring to the dictionary or reference books.Make a mark where you can’t understand. Then,10 minutes later, we’ll see who is the best self-learner. Please begin now. StepⅢ Presentation and special attention T:Time is up. Let’s see how you learn infinitives as adverbials and attributes one by one. Task 1 Read the following sentences and focus on the italicised infinitives. Then figure out 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. →_______