Unit 4 Life on Mars grammar 教案 2022-2023学年牛津译林版九年级英语下册

九 年级 下 册 英语 教案 章节名称 9B Unit 4 Life on Mars Period 4 Grammar 授课时数 1 授课方法 1. The communicative Approach 2. The Situational Teaching Method 3. The Cooperative Learning Method 教 学 目 的 与 要 求 1. To master the conversion between adverbial clauses and simple sentences. 2. To master the conversion between object clauses and simple sentences. 3.To master the conversion between defining relative clauses and simple sentences. 教 学 重 、 难 点 1. To master the conversion between adverbial clauses and simple sentences. 2. To master the conversion between object clauses and simple sentences. 3.To master the conversion between defining relative clauses and simple sentences. 教 学 后 记 教学过程设计及内容 二次备课 Part A Using adverbial clauses or simple sentences Step 1 Lead-in 1. Write the sentences in Reading on the Bb: 1) Humans cannot survive without food, water or oxygen. 2) Our own planet, the Earth, is becoming more and more crowded and polluted because of the rapid increase in population. Let the Ss read the sentences twice. 2. Tell the Ss that the two sentences above are both simple sentences. Guide the Ss to think about this question. Step 2 Presentation 1. Tell the Ss: Sentences in English can be divided into three types according to their structures: simple sentences, compound sentences, complex sentences. Among these three sentence types, simple sentences and complex sentences are often converted to each other. 2. Get the Ss to read the statement and the model sentences in Part A on page 56. Then tell them; We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without. Explain the model sentences. 3. Get the Ss to complete the exercises in Part A. They can do them alone or in pairs. 4. Pick six Ss to tell their answers. Check the answers. Explain problems if they have. Part B Using object clauses or simple sentences S