Unit3Onlinetravel(GrammarII)学案

　　unit 3 online travel(grammar ii)学案

　　学习目标：

　　1 to become familiar with the function of the word ‘by’ to indicate the agent who does something

　　2 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 voice

　　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 doesn’t know how to open her ___________ (电子词典)

　　2. let’s ___________ (重启) the computer, 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 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 ⅰ.check the preparation out.

　　二、展示探究

　　step ⅱ. having a revision

　　get the students to review the structure of the passive voice, including the simple present tense and the simple past tense.

　　when can 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 ⅲ. 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 ⅳ. practising

　　1. simon has bought a new educational cd-rom called ‘saving princess laura’. before he can play the game, he must pass a test. 共3页，当前第1页123

　　(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 asking 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 ⅴadditional language points

　　1. in our book, we only learn the use of the past and present form of 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(is／are)given

　　一般过去时 was(were)given

　　一般将来时 shall(will)be given

　　现在进行时 am(is／are)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 passive 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 newsletter article _____ by daniel.

　　8. all the snacks _____ before the party ended.

　　step ⅵ. 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.it's 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 trees______________（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. 共3页，当前第2页123

　　8. what _______ knives ______ (make) of ?

　　they_______________(make) of metal(金属) and wood.

　　9. can the magazine ________ (take) out of the library?

　　10. the room _____________ (clean) by me every day.

　　11. the stars can’t _____________ (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 _____________ (smell) 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 needn't 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)

　　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 didn’t sold last month.

　　4. the book was bought by i yesterday.

　　5. the old people are spoken politely.

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