1、Unit 3 Online travelGrammar II（学案）学习目标： 1 To become familiar with the function of the word by to indicate the agent who does something2 To consolidate the passive voice学习重点：To become familiar with the function of the word by to indicate the agent who does something学习难点： To consolidate the passive vo
2、ice教具学具： blackboard, ppt, etc教 学 设 计预习作业一、预习书后新单词和课本内容。二、完成下面的预习题：（一）写出下列动词的过去分词和现在分词。1. buy _ _ 2. teach _ _3. sell _ _ 4. catch _ _5. design _ _ 6. cut _ -_7. produce _ _ 8. set _ _9. earn _ _ 10 print _ _（二）根据句意、首字母或中文提示完成下列句子。1.Millie doesnt know how to open her _ (电子词典 )2. Lets _ (重启) the compu
3、ter, ok?3. We should check the _ (设置) of the computer first.4. Please _ (连接)your computer to a telephone line.5. P_ the green button, then the machine will be turned on.6. Before Simon can play the game, he must _ (通过)a test.7. Princess Laura was born in _ （魔幻）Land eighteen years old.8. Mr. Green is
4、 over six f_ tall.9. Princess Laura was caught by an e_ witch.10. The game is set on _ (火星)教 学 环 节一、预习交流Step .check the preparation out.二、展示探究Step . Having a revisionGet the students to review the structure of the passive voice, including the simple present tense and the simple past tense. When can
5、we use the passive voice? Change the following sentences into passive voice: 1. People make this kind of computer in Beijing. 2. People use this kind of computer widely. 3. My father mended the computer for me. 4. Mum often washes clothes for us. 5. They search the information on the Internet. Step
6、. Presenting 1. We can use by to say who or what does the action.2. Read through the sample sentences on page 49 and make them understand how to use by.3. Tell the students to complete Work out the rule! on their own. Ask a volunteer to read out the rule. Step . Practising 1. Simon has bought a new
7、educational CD-ROM called Saving princess Laura. Before he can play the game, he must pass a test. (Show the pictures in Part B1 on pages 50-51 to the students.) Help Simon pass the test by rearranging the words to form correct sentences. 2. Millie has bought a new educational CD-ROM. Daniel is aski
8、ng her some questions about it. (Show the profile of the game to the students.) According to the information about the CD-ROM, complete the conversation between Millie and Daniel in Part B2 on page 51.Step Additional language points1. In our book, we only learn the use of the past and present form o
9、f the passive voice, but there are some other forms of the passive voice we should know.常见被动语态的动词形式(以 give 为例)一般现在时 am(isare)given 一般过去时 was(were)given 一般将来时 shall(will)be given 现在进行时 am(isare)being given 过去进行时 was(were)being given现在完成时 has(have)been given 2. 感官动词和使役动词在主动结构中，后面接不带to的不定式，但如果改为被动句，则需要
10、把省略的to加上，这类动词有 hear, watch, make, help, let, see, have 等等。如：a. The boss made us work twelve hours a day. 改为We were made to work twelve hours a day.b. They often hear the girl sing in the room. 改为The girl is often heard to sing in the room.Doing additional exercises Complete the sentences in the pass
11、ive voice. Use the correct forms of the verbs in the box. build, eat, paint, steal, catch, grow, sell, write 1. This picture _ By Millie. 2. Coke _ all over the world. 3. Rice _ in China. 4. Some money _ from the bank yesterday. 5. The thieves _ by the police. 6. This flat _ in 1986. 7. This newslet
12、ter article _ by Daniel. 8. All the snacks _ before the party ended. Step . Sum up三、检测反馈（一）用括号内所给动词的正确形式填空。 (请注意时态和语态两个方面噢)1.Its said(据说) that the long bridge_（build ）in two months 2.Which language _the most widely_（speak）in the world？ 3.The lost boy_（not find）so far 4.Last year a large number of tr
13、ees_（cut ）down 5. The students _ often _(tell) to take care of their desks and chairs. 6. The old man is ill. He _ (must send) to the hospital. 7. Vegetables, eggs and fruits_ (sell) in this shop. 8. What _ knives _ (make) of ? They_(make) of metal(金属) and wood. 9. Can the magazine _ (take) out of t
14、he library? 10. The room _ (clean) by me every day. 11. The stars cant _ (see) in the daytime. 12. Some flowers _ (water) by Li Ming already. 13. This kind of shoes _ (sell) well. 14. How long _ your uncle _(be) in the city? 15. _ you _(see) the film yet? Yes, I _(see) it last week. 16.The food _ (s
15、mell) delicious.17. Look! Someone _(dance). （二）按要求改写下列句子，一空一词。 1.Is tea grown in South China？（改为主动语态） _ people _ tea in South China？ 2.I am given a birthday present by my parents every year（同义句转换）A birthday present _ _ _ _by my parents every year 3.The work is going to be finished in two days. (对划线提
16、问)How_ _ the work going to be finished ? 4. The children will sing an English song. (改为被动语态)An English song _ _ _ by the children. 5. You neednt do it now. (改为被动语态)It _ _ _ by you now. 6. People use metal for making machines. (改为被动语态)Metal _ _ _making machines. 7. He made me do that for him. (改为被动语态
17、)I _ _ _ _ that for him. 8. Did they build a bridge here a year ago? (改为被动语态)_ a bridge _ here by them a year ago? 9. They have sold out the light green dresses. (改为被动语态)The light green dresses _ _ _ out. 10.We call the game “Lianliankan”. (改为被动语态)The game _ _ “Lianliankan” by us.四、课后作业a. Go over what we have learnt. b. Correct the mistakes in the following sentences. 1. Word processing skills is taught in our school. 2. Football is played by all over the world. 3. The printer didnt sold last month. 4. The book was bought by I yesterday.5. The old people are spoken politely.
