Unit 6 Earth First Using language Grammar 教学设计-2023-2024学年高中英语外研版（2019）必修第二册

Period 3 Grammar -ing and -ed as complement 1. Analysis of students After Period 1 and Period 2, students are quite familiar with the topic of this unit. They have already mastered the ability of finding out the detail information in reading. However, they don’t know much about the -ing and -ed as complement in the reading passage. 2. Teaching objectives By the end of the period, the students will be able to … (1) distinguish and use -ing and -ed as complement appropriately (2) point out the environmental problems specifically and strengthen their awareness of protecting environment 3. Key and/or difficult points (1) To figure out whether it’s active or passive relationship between -ing/-ed and its logical subject when they are used as complement. (2) To summarize the types of the verbs when -ing/-ed as complement. 4. Teaching procedures Teacher’s activities Students’ activities Design intention Step 1 Lead-in T shows Ss a clip of video and asks them what biodiversity means to the planet. T asks Ss which element the adjectives in the possible version of answer modify and what part of sentence they play. Ss watch the video and answer questions. To offer a context and the grammar concept. Step 2 What is object complement? T asks Ss to scan two sentences and quickly decide what kind of component the words in bold belong to. T then asks in sentence (a), what is important; in sentence (b), what becomes easy through practice; both of the words are adjectives, what is the difference. Ss analyse the sentence components carefully. To guide ss to understand what is object complement. Step 3 Observe the sentences from the reading passage. T asks Ss look at the sentences from the reading passage (P86) and answer the questions. Then T asks Ss the following questions: in sentence (a), who is swimming at night; in sentence (b), who is frightened of sharks and what type of complement is added here. Ss read sentences and answer questions. To guide ss to realize