Unit 1 Science and Scientists Discovering useful structures表语从句语法课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

高中英语新人教版选择性必修二 SCIENCE AND SCIENTISTS XB2U1-1 Reading for Writing 读写 高中英语新人教版选择性必修二 SCIENCE AND SCIENTISTS XB2U1 Discovering useful structure QDZX (Q) - Answer the questions. Analyze the components of the sentence. One theory was that bad air caused the disease. Another thoery was that cholera was caused by an infection from germs in food or water. The truth was that the water from the Broad Street pump had been infected by waste. What were the two contradictory theories to explain how cholera spread? What was the truth about the spread of cholera? Function as the predicative (behind a linke verb 系动词) in a complex sentence.在主从复合句充当表语的从句叫表语从句 Predicative clause表语从句 表语从句的定义 PART 01 Predicative clause What I want to say is that I am tired. She doesn’t know whether she likes him or not. He was sent to the hospital. That’s because he was ill. It sounds as if somebody was knocking at the door. The reason why he was late was that he missed the train this morning Judge: Which is a predicative clause? 引导表语从句的系动词 PART 02 Link verbs 系动词 状态类:be seem appear look keep stay remain Predicative clause 感官类:look sound smell taste feel 变化类:become grow turn fall get go 终止类:prove turn out be 动词、look、grow、turn out、seem、sound、appear、become、prove、look、smell、taste、turn、feel、get、remain、stay、go、keep、 Predictive clause Understanding science and pushing the boundaries of science is what makes me immensely satisfied. — Bill Gates The next major explosion is going to be when genetics and computers come together. —Alvin Toffler The doctor has been taught to be interested not in health but in disease. What the public is taught is that health is the cure for disease. — Ashley Montagu Research is what I'm doing when I don't know what I'm doing.— Wernher von Braun A predictive clause is introduced by....? 表语从句的引导词 PART 03 connectives 连接词 连词(在从句中不作成分): that whether as if as though because What is a predicative clause? 连接代词(在从句中作主语、宾语、表语、定语): what/whatever which/whichever who/whoever whom/whomever whose