北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)

上传人:万**** 文档编号:117744814 上传时间:2019-12-10 格式:PPT 页数:19 大小:315KB
返回 下载 相关 举报
北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)_第1页
第1页 / 共19页
北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)_第2页
第2页 / 共19页
北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)_第3页
第3页 / 共19页
北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)_第4页
第4页 / 共19页
北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)_第5页
第5页 / 共19页
点击查看更多>>
资源描述

《北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)》由会员分享,可在线阅读,更多相关《北师大初中英语九上《Unit 4 Inventions and Inventors》PPT课件 (3)(19页珍藏版)》请在金锄头文库上搜索。

1、 一、本周教学重点: 1. 复习被动语态 2. 情态动词表达怀疑、确定和可能。 3. 重点词汇 二、具体内容: (一)被动语态: 1. 一般现在时被动语态基本结构: 主语am/is/are过去分词 The food is placed in the oven. They are turned into heat. 2. 一般过去时被动语态基本结构: 主语was/were过去分词 Magic Squares were invented in China. Papermaking was introduced into Japan in 610. 3. 情态动词被动语态基本结构: 主语can/sh

2、ould/mustbe过去分词 School uniform must be worn at all times. 4. 一般将来时被动语态基本结构: 主语willbe过去分词 It cant be a radio because its too big to be a radio. The report will _ (finish)in two days time. Milk should _ (keep)in the fridge. White clothes and colored clothes should not _(wash)together. School uniforms

3、neednt _(wear)at all times. (二)情态动词: 当不是很确定时,用might或may. (might比may 更不确定) Who knows what will happen. You may even have married by then. It might be a tool for cutting things. I dont know. 当确定某件事是唯一的可能时,用must. It must be some sort of toy. 当确信不可能发生时,用cannot. It cannot be a radio because its too big t

4、o be a radio. Ex. Complete the sentences with might be / may be, cannot be, or must be. 1. This exam _ too difficult for the students. I dont think they can finish it. 2. It _ a book for children. There are many cartoons in it. 3. It _ true. I think you made a mistake. 4. Mr. Smith _ in London, Pari

5、s, or Tokyo. No one knows for sure. 5. That _ John. He is in New York now. 6. Did you hear the doorbell? It _ Nicholas. I am expecting him. (三)重点词汇: 1. In many big cities in the world, the overuse of cars is thought to be one of the major causes of air pollution. over名词/形容词,表示“过多,过于” The over-load t

6、ruck caused a serious road accident. She always works overtime, so she has to leave her baby cared for by her mother. be thought to be 被认为,被看作 She is thought to be the top student in our class. Jane is thought to be busy preparing for the exam. 2. However we are also warned not to ask for pretty col

7、ors, because the car will come in gray only. warn No one warned him of the danger. I warned her not to get close to the dog but she wouldnt hear of it. 3. Other experts are sure that the future will be happy. be sure that I am sure that smoking will hurt you. Are you sure that John will come this af

8、ternoon? 4. If gas is in short supply, the super car will run on water. be in short The cheaper it is, the better. Im short of money. on 靠 He finds it difficult to live on his salary. They live mostly on vegetables from their garden. 5. As a rule, soft fruits like strawberries, etc, are difficult to

9、 freeze. as a rule 一般来说,通常是 As a rule, she goes out early every evening looking for work. As a rule, we get home at 6. 6. You should be careful the first time you wash your shirt because the blue color might come out and mark the white part. come out 开花,出版,退色,计算出来 This magazine comes out monthly. So

10、me flowers have begun to come out. I washed the shirt twice but the ink still hasnt come out. 7. observe 观察 I observed a letter on the table. Did you observe anything strange in that boys behavior? 课堂练习 I. 单选。 1. Have you ever this kind of moon cakes? A. eat B. eats C. eating D. eaten 2. The knives

11、are used cutting things. A. in B. to C. for D. of 3. They are used for the style of a shoe. A. change B. changes C. changing D. changed 4. Must I stay at home, Mum? - No, you . A. neednt B. mustnt C. dont D. may not 5. She asked them things about. A. not to litter B. dont litter C. not litter D. no

12、litter 6. Im not sure he will come back home tomorrow or not. A. when B. what C. whether D. where 7. Look. These be dinosaur eggs because they are the biggest of all. A. must B. can C. should D. may 8. I was told to take umbrella with me. -Oh, no. look at the sky. Its sunny and rain. A. must B. cant

13、 C. may D. neednt 9. The light in the office is off. The teacher be there now. A. may B. cant C. mustnt D. must II. 完成句子: 1. 警察阻止孩子们在街上玩耍。 The policeman stopped the children in the street. 2. 去年他去日本学医。 Last year, he went to Japan . 3. 她每天早起以便能读英语。 She gets up early every day she can read English. III. 连词成句 1. The money/ count/ every evening _ _ 2. The children/ take care of /in the kindergarten _ _ 3. English/ speak/ everywhere _

展开阅读全文
相关资源
正为您匹配相似的精品文档
相关搜索

最新文档


当前位置:首页 > 中学教育 > 初中教育

电脑版 |金锄头文库版权所有
经营许可证:蜀ICP备13022795号 | 川公网安备 51140202000112号