《新疆精河县九年级英语全册 unit 6 when was it invented教案4 （新版）人教新目标版》由会员分享，可在线阅读，更多相关《新疆精河县九年级英语全册 unit 6 when was it invented教案4 （新版）人教新目标版（4页珍藏版）》请在金锄头文库上搜索。
1、Unit 6 When was it inventedSection A 4 (Grammar Focus-4c)一、Teaching aims： 1. Knowledge Objects：1) Key words2）Make a step further to consolidate the new words and phrases 3）To further learn to use the passive voice of the past tense.2. Moral Objects：In the face of difficult problems, with a positive
2、attitude to solve, 二、Teaching Key Points and Difficulties1. Teaching Key Points：1) Learn the new words:fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument2) Review the words and phrases in Section A .2. Difficulties： 1) The general past tense of t
3、he sentence into the passive voice.2) Comprehensive use of the knowledge to practice the use of.三、Teaching Procedures:. Warming- up and revision 1. Have a dictation of the new words learned in the last class. 2. Review some main phrases we learned in the last class. Check the homework. 3. Let some S
4、s tell something about how tea was invented by accident. Tell something about how tea was invented by accident.One day Shen Nong was boiling drinking water over an open fire. Some leaves from a tea plant fell into the water and remained there for some time. It produced a nice smell so he tasted the
5、brown water. It was quite delicious and one of the worlds favorite drink was invented.Tell something about Lu Yu and his Cha Jing.Lu Yu “the saint of tea” mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the finest t
6、ea leaves were produced and what kinds of water were used. It is believed that tea was brought to Korea and Japan during 6th and 7th centuries. In England, tea didnt appear until around 1660. The tea trade from China to Western countries took place in the 19th century. Grammar Focus. 1. Read the sen
7、tences in the Grammar Focus，and then do the practice. 拉链是什么时候被发明的？ _ _ the zipper _? 它于1893年被发明。 It _ _ in 1893. 它是由谁发明的？ _ _ it invented _? 它是由惠特科姆贾得森发明的。 It _ _ _ Whitcomb Judson. 茶叶什么时候被带到朝鲜去的？ _ _tea _ to Korea? . Grammar一般过去时态的被动语态的构成 英语有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者，而被动语态则表示主语是动作的承受者。如：We cle
8、aned the classroom yesterday. (主动语态，主语we是clean的执行者)The classroom was cleaned yesterday. (被动语态主语the classroom是承受者)一、一般过去时被动语态一般过去时被动语态的结构为“主语+ was /were +及物动词的过去分词 (+by+动作的执行者).”。如： Trees were planted last spring.去年春天种了树。. Exercises 1. He chose six story books the other day. Six story books _ _ by hi
9、m the other day. 2. Uncle Lee gave Jack a large cake for he painted the wall wonderfully. Jack _ _ a large cake for he painted the wall wonderfully. 3. A mouse ate half of the cake last night. Half of the _ _ by a mouse last night. . PracticeWork on 4a: 1. Tell Ss to read the sentences in 4a and rew
10、rite the sentences using the passive voice. 2. 做题方法点拨示例：They sold the fridge at a low price. The fridge was sold at a low price. Somebody stole my camera from my hotel room. My camera was stolen from my hotel room. The students are independent of the other three sentences into the passive voice.3. F
11、inally, the teachers and students together with a proof of its answer, and to the students doubt to explain, or to make a rational analysis and coaching.Where were these photos taken? We were advised not to go out alone. The book was translated into different languages by different writers. Work on
12、4b: Complete the sentences with correct forms of the verbs in the box. 1. Let the students read the words in the box, understand the words and the meaning of the sentence, is ready to lyricseat, like, invite, tell, lock, ring, break, bring1) You _ to the party last night, werent you? Why didnt you g
13、o? 2) The earthquake happened all of a sudden, but luckily the villagers _ to a safe place. 3) The door _ when we arrived, so we _ the bell. 4) The students _ not to eat or drink in class, but Ruby _ the rule when she started eating a biscuit in science class. 5) The cookies _ by the hungry kids in
14、less than 20 minutes, and they really _ them. . Practice Work on 4c: Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. The telephone _ (invent) by Alexander Graham Bell. He _ (born) in 1847. Mr. Bell _ (work) on the invention of the tele
15、phone with Thomas Watson. In 1875, Mr. Bell _ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone _ (invent) in 1876. The first sentence that _ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone _ (use) around the world. Homework 1. Jenny put her clothes in the suitc
