Unit-9-When-was-it-invented-Section-A1-英語教學課件

1、Unit 9 When was it invented,Section A Period One,invent calculator be used for scoop adjustable,v. 發(fā)明；創(chuàng)造 n.計算器 用來做 v. 用勺舀 n. 勺子；球形勺；長柄勺 adj. 可調(diào)整的,heel battery operate battery-operate slipper heat,n. （鞋、襪等的）后 跟；(足) 跟 n. 電池 v. 操作；作業(yè) 電池供電的 n. 拖鞋 v. 加熱；使變熱,What are the Four Great Inventions in ancient C

2、hina,Do you know,paper-making 造紙術,compass 指南針,printing 印刷術,gunpowder 火 藥,造紙術,印刷術,Look at the things. In what order do you think they were invented,1a,A: I think the calculator was invented before the computer. B: well, I think the calculator was invented after the computer,Talk about with your parte

3、rner,Listen and match the inventions with the dates,1b,_ 1876 _ 1885 _ 1927 _ 1971 _ 1976,d,a,e,c,b,Sample dialogues: A: When was the telephone invented? B: I think it was invented in 1876. A: When was the car invented? B: I think it was invented in 1885. I think it was invented after the telephone,

4、Pairwork,1c,When was the calculator invented? What is it used for? It is used for counting,What are they used for,They are used for giving light,light bulbs,What is/are used for? Its/Theyre used for,part 2,3,1,2,2a,Listen and number the inventions in the order that you hear them,Listen again and mat

5、ch the items with their inventors and uses,2b,Role play the conversations using the information in the chart above,2c,Pairwork,Oral Practice,Sentence pattern: Who was it / were they invented by? It was / They were invented by . What is it / are they used for? It is / They are used for,Grammar,The pa

6、ssive voice 被動語態(tài) 語態(tài)是表示主語與謂語的關系的。如果主語是動作的執(zhí)行者，動詞要用主動語態(tài)；反之，如果主語是動作的承受者，動詞就要使用被動語態(tài)。 被動語態(tài)謂語部分結構為助動詞be + 過去分詞,各種句型的被動形式,注意：這里 be 的形式?jīng)Q定了被動語態(tài)的時態(tài)，其后的過去分詞沒有變化,重點內(nèi)容,肯定句 主語 + be + 過去分詞 + (by ) 否定句 主語+ be not +過去分詞 +(by ) 一般疑問句 Be +主語+過去分詞 + (by )? 特殊疑問句 疑問詞 + be +主語 + 過去分詞 + (by ),Maria bought the book last yea

7、r. (主動句) The book was bought by Maria last year. When was the book bought by Maria? What was bought by Maria last year,被動句,讓我們看一看各種句型的主動語態(tài)變?yōu)楸粍诱Z態(tài)時，到底發(fā)生了什么變化,do/does,is/am/are + done,did,will/ be going to do,was/were + done,will be done,be going to be done,S + was/were +done,S + was/were +not + done,W

8、as /Were +S + done,S + will not be + done,S + am/is/are going to be done,Am /Is/Are +S + going to be done,S + am/is/are not going to be done,Will+ S +done,S + will be +done,Language points,Its used for scooping really cold ice cream. 【經(jīng)典習題】完成句子： 郵票是用來發(fā)送信件的。 Stamps are _ _ _ letters. 【要點點撥】be used fo

9、r doing sth. 表示“被用于干某事”，意思與be used to do sth.相同。 如：The camera is used for taking photos. = The camera is used to take photos,used for sending,拓展延伸】 be used as sth. 表示“被用作某物”。如：English is used as the second language in many countries. be used by sb. 表示“被某人使用”，后接動作的執(zhí)行者。如：These textbooks are used by st

10、udents. be / get used to do sth. 表示“習慣于做某事”。如：She is used to running every morning. used to do sth. 表示“過去常常做某事”。如：Miss Li used to dance after work,Grammar Focus,Quiz,把下列句子改為被動語態(tài)。 1. They made these computers in Shenzhen. These computers _ _ in Shenzhen. 2. She bought a new bike yesterday. A new bike

11、 _ _ by her yesterday,were made,was bought,3. The students clean the room every day. The room _ _ by the students every day. 4. He will sing a new song at the party. A new song _ _ _ by him at the party. 5. Students cant take the books out of the library. The books _ _ _ out of the library by studen

12、ts,is cleaned,will be sung,cant be taken,中考真題鏈接,1. I feel very happy that I _ to be the host. Congratulations! (07 江西) A. choose B. am chosen C. was chosen D. haven chosen 2. Today Chinese _ by more and more people around the world. (07北京) A. was spoken B. is spoken C. spoke D. speak,3(課改實驗區(qū)考生做) (07重慶) Your hometown has changed a lot Yes. Take a look at these tall buildings. They _ last year A. build