Unit4 Grammar 教学设计 初中英语九年级下册（牛津译林版）

英语（九年级下册) Unit 4 Life on Mars Grammar 南通市如东县实验中学肖海燕 I.Teaching aims and learning objectives By the end of the lesson,students should be able to: 1.rewrite some adverbial clauses in simple sentences, 2.rewrite some object clauses in simple sentences, 3.rewrite some defining relative clauses in simple sentences, II.Teaching contents 1.New words and phrases:circle,agreement,possibility,stranger,aware,distance,alien,outer space,as tasty as,remind sb.that /of sth.,be sure that/about sth.,thin air,indoor playgrounds 2.New structures:Are they sure about the fast speed of space travel? It takes Mars about two Earth years to circle around the Sun once. III.Focus of the lesson To change compound sentences into simple sentences. IV.Teaching procedures A Using adverbial clauses or simple sentences Step I Presentation 1.Change adverbial clauses of time with prepositional phrases Neil Armstrong received his student pilot's licence when he was 16. Neil Armstrong received his student pilot's licence at the age of 16. 2.Change adverbial clauses of reason with prepositional phrases People might float in space because the gravity is low People might float in space because of the low gravity. 3.Change adverbial clauses of condition with prepositional phrases. Humans cannot survive if there is no food air or oxygen. Humans cannot survive without food,air or oxygen. 【设计意图：利用图片提出问题，引出从句，启发学生改写成简单句，】 Step 2 Practice 1.I could swim when I was eight vears old I could swim at the age of eight 2.He went home after he finished his work. He went home after finishing his work 3.He was late for school because it rained heavily. He was late for school because of the heavy rain 4.You cannot enter the cinema if you don't have a ticket. You cannot enter the cinema without a ticket. 【设计意图：分别举例、归纳，启发学生如何将含有从句的复合句改写成简单句。】 Step 3 Learing about outer space 1.Neil Armstrong took his first flight at the age of six. 2.Yuri Gagarin became the first man to go into outer space when he was 27 3.People might move