Unit 4 Life on Mars Grammar-【名校培优课堂】2023-2024学年九年级下册英语同步课件PPT（牛津译林版）

Grammar Unit 4 Life on Mars 1 掌握状语从句与简单句之间的转换； 2 学 习 目 标 学习本课时新单词及短语：circle, agreement, possibility, doubt, stranger 1 掌握宾语从句与简单句之间的转换； 3 掌握定语从句与简单句之间的转换； 4 2 我们可以用介词短语把状语从句转换成简单句， 我们可以用介词把宾语从句和定语从句转换成简单句。 Sentences (Ⅱ) 简单句和复合句的转换 课 堂 学 习 A Using adverbial clauses or simple sentences 状语从句和简单句之间的转换 We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without. 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. People might float in space because the gravity is slow. →People might float in space because of the low gravity. Humans cannot survive if there is no food, water or oxygen. →Humans cannot survive without food, water or oxygen. 注意：转换时要注意时态和意思的一致性和准确性。 状语从句→简单句 通过because of, without, at the age of介词短语将状语从句转换为简单句。 Conclude 时间状语从句可借助介词短语转化为简单句。 because引导的原因状语从句用介词短语because of可转换成简单句。 if not引导的条件状语从句可借助without短语转化为简单句。 Daniel is writing about visiting another planet. Help him rewrite the sentences using the words in brackets. Exercise Learning about outer space 1. Neil Armstrong took his first flight when he was only six. (at the age of) ______________________________________ ______________________________________ 2. Yuri Gagarin became the first man to go into outer space at the age of 27. (when) ______________________________________ ______________________________________ Neil Armstrong took his first flight at the age of six. Yuri Gagarin became the first man to go into outer space when he was 27. 3. People might move to another planet in the future because the population on the earth is increasing rapidly. (because of) __________________________________________ __________________________________________ __________________________________________ 4. If there is no fresh food, meals will not be as tasty as they are on the earth. (without) __________