疑问词引导名词性从句及it的运用课件（29张PPT）

课件29张PPT。Grammar and usage Noun clauses introduced by question wordsEmpty subject itUnit 2 课件描述： 本课件为Grammar and usage的辅助教学软件，教学设计通过讲解、练习帮助学生掌握疑问词引导的名词性从句和empty it 的用法。Noun ClausesSubject Object Predicative Appositive Clauses 1. You know that I am a teacher of English. 2. That I am a teacher of English is known to you all . 3. It is known to you all that I am a teacher of English. 4. The fact that I am a teacher of English is known to you all. 5. I am worried about whether you can do well in the exam. 6. What I am worried about is whether you can do well in the exam. that I am a teacher of English That I am a teacher of English that I am a teacher of English whether you can do well in the exam.OCSCSCPCAC that I am a teacher of English whether you can do well in the exam.OCFind the clauses and tell the fun_ction of them:SCWhat I am worried aboutConjunctions of Noun Clauses:what, whatever, who, whoever, whom, whose, whichthat, whether, if, as if(as though)when, where, how, why 状语主语、宾语Noun Clauses Introduced by Question WordsWhat was he doing ? His father was surprised.subject clause 主语从句What’s your first impression of him? I want to know. object clause 宾语从句How can I make a grammar lesson interesting? That is my question.predicative clause 表语从句How did Peter respond to that question? I have no idea.appositive clause 同位语从句We change the word order in a clause after a question word into that of a statement. 2. We cannot leave out the question words in noun clauses in any cases.AttentionCheck whether the sentences are true or false:他是怎么成功的仍然是个谜。How was he successful is still a puzzle. ( )How he was successful is still a puzzle. ( )你能告诉我他住在什么地方吗？Could you tell me what was the matter with me. ( )Could you tell me what the matter was with me. ( )FTTF 1. I have no idea _____ he comes from.2. _____ he got the money is still uncertain.3. He gave us many suggestions _____ we should get up earlier and take more exercise.4. I have no doubt _____ he will win.5. I have some doubt _____ he will win. 6. The thing that troubles me is _____ to head for Europe.Fill in the blanks using “that/ whether / where/ how/when”whereHowthatthatwhetherwhen1. It’s a book. (指代) 2. It’s over ten o’clock. (时间) 3. It’s raining outside. (天气) 4. It’s a long way to the museum. (距离)Review the fun_ction of “it”1. We can use it as an empty subject. when we use a noun clause as the subject of a sentence. a. (preferable) It is certain that we would not be able to understand Old English today. = (correct) That we would not be able to understand Old English today is certain.Empty subject “it”:b. (preferable) It is easy to answer whether English will continue changing in the future. = (correct) Whether English will continue changing in the future is easy to answer. c. (preferable) It depends on the style of writing when we use certain words. = (correct) When we use certain w ... ...