秋人教新目標英語九年級UnitwhenwasitinventedSectionBaSelf Check實用PPT課件PPT課件

1、 Inventions are everywhere in our life第1頁/共22頁 Inventions are everywhere in our life第2頁/共22頁 Inventions are everywhere in our life第3頁/共22頁3a. Think of something that you do not like to do. Then think of an invention that could help you. Make notes. 第4頁/共22頁Problemquickly taking notes in class New in

2、vention a special pen What it is used for. 第5頁/共22頁3b.Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.第6頁/共22頁This special pen was invented byLiu Jie . It has three colors and is used for第7頁/共22頁 This special pen was invented by Li

3、u Jie. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip that can store a list of common words that you will use. You can program the words you will use often into the microchips memory, then assign a short for

4、m to each word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and all the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to. 第8頁/共22頁Self Ch

5、eckinventdoubtmention nearly websiteall of a sudden1. Complete the passage with the correct forms of the words in the box. 第9頁/共22頁It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _ things which are _ the same. Its hard to tell who cam

6、e up with the idea first. Some inventions can also lead to other inventions _. So some people _ whether the inventor came up with the idea himself or herself. They think that the inventor used someone elses idea to create his or her invention. That is why books or _ usually _ more than one inventor

7、when giving information about inventions.inventnearlyall of a suddendoubtedwebsitemention第10頁/共22頁 語法重點一So some people doubted whether the inventor came up with the idea him-self or herself. (1)該句是包含賓語從句的主從復(fù)合句。這樣的結(jié)構(gòu)要注意主句如果是過去時態(tài)，從句一般要用相應(yīng)的過去時態(tài)（客觀事實除外）。 如：Last class our physics teacher said that the mo

8、on goes around the sun. He said he would go back home nextmonth.第11頁/共22頁 語法重點一(2) come up with 想出 注意類似詞組catch up with 趕上keep up with 緊跟。I want to catch up with him in English study. Dont fall behind ,keep up with the others. 第12頁/共22頁2.Rewrite these sentences using the passive voice. 1. Someone sto

9、le my watch. _2. They used five eggs to make this big cake. _3. When did they invent the personal computer? _4. They asked us not to run in the hallway. _5. Someone took the video back to the store. _My watch was stolen by someone . Five eggs were used to make this big cake.When was the personal com

10、puter invented?We were asked not to run in the hallway.The video was taken back to the store .第13頁/共22頁3. Find out information about an invention you would like to know more about and write sentences below.Invention_When_Who_ Purpose _第14頁/共22頁語法復(fù)習(xí)一般過去時的被動語態(tài)一、一般過去時被動語態(tài)的用法 一般過去時被動語態(tài)表示過去經(jīng)常性、習(xí)慣性被動動作或過去

11、某一時刻發(fā)生的被動性動作。其結(jié)構(gòu)為：主語(動作承受者) + was / were + 過去分詞(+ by + 動作發(fā)出者)構(gòu)成,其否定形式was/were后加not。如：I was taught by Miss Zhao last year. Those letters were written by a famous writer. 第15頁/共22頁【注意】【注意】被動語態(tài)還可用于：被動語態(tài)還可用于：強調(diào)動作的承受者強調(diào)動作的承受者，而不強調(diào)動作的執(zhí)行者。而不強調(diào)動作的執(zhí)行者。如：如：The window was broken by Mike. This book was written

12、by him.二、主動語態(tài)變被動語態(tài)的方法二、主動語態(tài)變被動語態(tài)的方法(1)(1)把把主動語態(tài)的賓語主動語態(tài)的賓語變?yōu)樽優(yōu)楸粍诱Z態(tài)的主語被動語態(tài)的主語。(2)(2)把把謂語謂語變成變成被動結(jié)構(gòu)被動結(jié)構(gòu)( (be過去分詞過去分詞) () (根據(jù)被根據(jù)被動語態(tài)句子里的主語的動語態(tài)句子里的主語的人稱人稱和和數(shù)數(shù)，以及原來主動語，以及原來主動語態(tài)句子中動詞的態(tài)句子中動詞的時態(tài)時態(tài)來決定來決定be的形式的形式) )。第16頁/共22頁語法復(fù)習(xí)(3)把主動語態(tài)中的主語放在介詞by之后作賓語,將主格改為賓格。All the people (主語：動作的發(fā)出者)laughed at him（賓語：動作的承受者

13、）. He（主語：動作的發(fā)出者）was laughed at by all the people.（賓語：動作的承受者）第17頁/共22頁小結(jié)訓(xùn)練：(2013河北）1. Annie _ to the party. She had a wonderful time with us. A. invites B. is invited C. was invited D. has invited(2013玉林)2. Many houses _ in the earthquake of April 20, 2013 in Yaan. A. is destroyed B. are destroyed C

14、was destroyed D. were destroyed(2013泰州)3. “Frog”， Mo Yans latest novel, please! Sorry, it _ just now. But it will come out again soon. A. sold out B. is sold out C. has sold out D. was sold outC D D第18頁/共22頁小結(jié)訓(xùn)練：(2013雅安) 4. 一Who designed this game? 一It _ by Tom in 1999. A. is designed B. designs C. was designed D. designed(2013臨沂) 5. Do you know Earth Day?Sure. It _ in 1970 to tell us to protect our planet. A. sets up B. set up C. is set up D. wa