九年级英语上册 Unit 3 Teenage problems Grammar (1)课件

1、Object clauses introduced by wh- wordsABGiving suggestionsGrammarAObject clauses introduced by wh- words特殊疑问句引导的宾语从句 宾语从句可由连接代词what, who, whom, whose, which等引导, 它们在宾语从句中可作主语、宾语、表语和定语等, 因此不能省略。e.g. Do you know who will come this afternoon? 你知道今天下午谁来吗？(作主语) Did you hear what she said? 你听见她说的话了吗？(作宾语)I

2、 dont know whose that is. 我不知道那是谁的。(作表语) Could you tell me which gate we have to go to? 请问我们得走哪个门？ (作gate的定语) 宾语从句可由连接副词when, where, how, why等引导, 它们在宾语从句中作状语, 不可省略。e.g. We didnt know when she would come back. 我们不知道她什么时候回来。 Can you tell me how I get to the post office? 你能告诉我到邮局怎么走吗？ 说明：含how的词组也可引导宾语从

3、句。主要有how old, how many, how much, how long, how often, how far等。e.g. Do you know how old he is？ 可用连接代词或连接副词引导的宾语从句的动词或短语动词有 see, say, tell, ask, answer, know, decide, find out, show, remember, choose 等。e.g. We cant decide who should go to Beijing first. 我们不能决定谁应该先去北京。 Read the story below and find o

4、ut who Father Christmas is. 读下面的故事, 弄清楚圣诞老人是谁。在引导词上, 要将疑问代词或疑问副词变为连接代词或连接副词, 引导宾语从句。e.g. Whose bike is this? Does anybody know Does anybody know whose bike this is?特殊疑问句变宾语从句五注意宾语从句的时态应与主句的时态保持一致。e.g. When the train will arrive? He asked me. He asked me when the train would arrive. 在语序上, 要将疑问句语序改为陈述

5、句语序。e.g. Which one do you like best? She asked me. She asked me which one I liked best. 【 注意】疑问句中主语之前的助动词若是 dodoes did, 变为宾语从句时,要先将其去掉, 谓语动词再根据时态作相应的变化。 特殊疑问词在句中作主语, 变为宾语 从句时语序不变(时态应作相应变化)。e.g. Who can answer the question? The teacher asked. The teacher asked who could answer the question. 特殊疑问句变为宾语

6、从句后, 用问号 还是用句号完全取决于主句的句式: 如主句为陈述句、祈使句, 句末就用 句号; 如主句是疑问句, 句末就用问 号。e.g. I dont know when we shall start tomorrow. Do you know when we shall start tomorrow?把下列句子合并成一个句子。1. He asked me. What will your father do? _2. Do you know? Who are they waiting for? _3. She knows. The boy is a good boy. _He asked m

7、e what my father would do.Do you know who they are waiting for?She knows that the boy is a good boy.Practice4. His father said. The earth goes around the sun. _5. She wasnt sure. Is Lily coming? _His father said the earth goes around the sun.She wasnt sure if/whether Lily was coming.请在下列宾语从句中填上所缺的连词

8、(引导词)。1. The teacher didnt know _ broke the window. 2. Mr Green went out to see _ was happening. 3. Please tell me _ your father is.who whatwhat4. I really dont know _ I should do with these letters.5. Did you ask him _ we would leave?6. Do you know _ the lady lives? 7. Can you tell us _ you are lat

9、e for class? 8. Could you tell us _ I can get to the zoo? whatwhen wherewhyhow9. Jenny wondered _ wallet it was. 10. I cant decide _ coat I should choose. 11. They asked me _ the book cost.12. Could you tell me _ students there are in your class? whosewhichhow muchhow many1. I dont know _ Mr. Green

10、will come to see us. He will help us with our English. A. why B. when C. how D. where 中考链接2. We never know _ the old man is. They say he is a teacher A. what B. who C. which D. where3. Do you know _? Im going to see him. Sorry, I dont know. A. where does Mr. Li live B. where did Mr. Li live C. where

11、 Mr. Li lives D. where Mr. Li lived 4. Where do you think _ he _the computer? Sorry, I have no idea. A.；bought B. has；bought C. did；buy D. does；buy 5. I dont feel very well. Mum asked me _this morning. A. what is the matter B. what is wrong C. what was the matter D. what wrong was Why not?/Why dont

12、you ?这两种句型结构常用于说话人向对方提出一个建议，意思是“不？”； “为什么不？”Why not?/ Why dont you ? 后面必须跟动词原形。B请在此键入您自己的内容Giving suggestionsWhy not go swimming?=Why dont you go swimming? Why dont you go out for a walk? =Why not go out for a walk?What /How about.?这两种句型结构常用于说话人向对方提出一个建议，意思是“怎么样？”What /How about.后接名词/代词或动名词？eg. 1. His mother is a doctor. What about your mother? 2.Jimmy is good at swimming.How about you? 3.-I dont know what to do this weekend. -What about going fishing?Lets. & Shall we.?这两种