人教版新課標高一必修2 Unit 3 Computer—教案7（語法）

人教版新課標高一必修2 Unit 3 Computer—教案7   Unit 3 Computer鈥斀貪7（語法） TITLE=人教版新課標高一必修2 Unit 3    Grammar------The Present Perfect Passive Voice Teaching Introduction This is the fourth teaching period of this unit. To test whether students have grasped the important and difficult language points they learned in the last period, the teacher should first offer some revision exercises. The Pattern “And my memory become so large that I couldn’t believe it.” is a bit important, so special exercise should be designed. This teaching period mainly deals with the grammar: the present perfect passive voice. Firstly, the teacher can ask students to read the reading passage again, tick out the sentences in the present perfect passive voice from the reading passage and translate them into Chinese. Secondly, compare and discover the structure and usages of the present perfect passive voice by giving a lot of example sentences. Thirdly, do the exercises in Discovering useful structures on page 21 and more exercises for students to master the present perfect passive voice. Finally, summarize the present perfect passive voice. Teaching goals: ⅰ Knowledge goals 1.Get students to know the structure of the present perfect passive voice. 2.Let students learn the usages of the present perfect passive voice. ⅱ Ability goals Enable students to use the present perfect passive voice correctly and properly. ⅲ Emotion goals 1.Get students to become interested in grammar learning. 2.Develop students’ sense of group cooperation. Teaching important points Get students to master the structures and usages of the present perfect passive voice. Teaching difficult points Enable students to learn how to use the present perfect passive voice correctly. Teaching methods 1.Task-based teaching and learning 2.Cooperative learning and practice Teaching procedures Step 1 Revision ( 5 minutes) 1.Check the homework exercises. 2.Dictate some new words and expressions. 3.Translate the sentences into English: 1)他太聰明了，大家都喜歡他。 2)他是一個如此聰明的男孩，以致于大家都喜歡他。 3)他取得如此大的進步，以致于老師們都對他很滿意。 4)他出了太多的差錯，所以考試失敗了。 Suggested answers: 1) He is so clever that everybody likes him. 2) He is such a clever boy that everybody likes him. 3) He made such great progress that the teachers were pleased with him. 4) He made so many mistakes that I failed the exam.  Step 2 Grammar revision ( 8 minutes) 1. Review the passive voice 1)被動語態(tài)的結構：be + p.p. 2)一般現(xiàn)在時被動語態(tài)的結構：am/is/are (not)+p.p. 3)一般過去時被動語態(tài)的結構：was/were (not)+p.p. 4）含有情態(tài)動詞被動語態(tài)的結構： can/could/may/might/will/would/shall/should/must/need(not)+be + p.p. 5）一般將來時被動語態(tài)的結構：will (not)/be (not) to+ be+ p.p. 2. Fill in the blank with the right form of the verb given. 1) Running races   (hold) on the playground yesterday. 2) Food   (serve) between 12:00 and 14:00 every day. 3) Nobody can  (allow) to enter the stadium without a ticket. 4) Whoever breaks the law, he   (punish). Suggested answers: 1)were held2) is served3) will be allowed4) will be punished Step 3 Grammar learning ( 15 minutes) 1.Discovering Ask students to look at the exercises 1 on page 21. Look at the following sentence, paying attention to the underlined part. EXAMPLE: Over time I have been changed a lot. Ask students to go back to page 18 to read the passage Who am I ?, let them pick out the sentences in the present perfect passive voice and translate them into Chinese. Suggest answers: 1)Over time I have been changed quite a lot. 隨著時間的逝，我已經(jīng)被改變了許多。 2)……I have been used in offices and homes since the 1970s. ……自從20世紀70年代以來，我已經(jīng)被應用于辦公室和家庭。 3)……I never forget anything I have been told. ……我從來不會忘記告訴我的任何事情。 4)Since the 1970s many new applications have been found for me. 自從20世紀70年代以來，許多新的用途已經(jīng)為我開發(fā)出來。 5)I have also been put into robots and used to make mobilephones…… 我也已經(jīng)被裝入機器人體內(nèi)，并應用于制造移動電話…… 6)I have even been put into space rockets…… 我甚至已經(jīng)被裝入太空火箭…… 2．Thinking Let students look at the tense used in the sentences they picked out and think over this question: What is the structure of the present perfect passive voice? 3.Summing up The structure of the present perfect passive voice is “have/has+ been + p.p.”. It is a combination of the present perfect tense (have/has + done) and the passive voice (be + p.p.). Ask students to turn to page 87 and look at the chart of the present perfect passive voice. 現(xiàn)在完成時的被動語態(tài)的構成（以動詞ask為例） 肯定式 否定式 疑問式 I have   been asked… You have   He/She/It has We have You have They have I have   not been asked… You have   He/She/It has We have You have They have    Have I Have you   been asked…? Has he/she/it   Have we Have your Have they   Step 4 Grammar practice ( 12 minutes) Ask students to finish the exercise 2 and 3 on page 21. Exercise 2Change the following sentences into the present passive voice. 1.My friend has bought a new personal computer. 2.The shop has repaired my computer very quickly. 3.An unknown virus has just attacked my computer. 4.We have not solved the problem yet. 5.The company has given its computers away to a local school. 6.The scientists have developed a kind of intelligent robot. Suggested answers: 1. A new personal computer has been bought by my friend. 2. My computer has been repaired by the shop very quickly. 3. My computer had just been attacked by an unknown virus. 4. The problem has not been solved by us yet. 5. Its computers have been given away to a local school by the company. 6. A kind of intelligent robot has been developed by the scientists.       Exercise 3 1. Underline the use of the present perfect passive voice in the following poem. Then fill in the chart below. Look at the way your face has been washed Look at the way your hair has been combed Look at the way your shoes have been cleaned You’d better do them again. Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again.   Things that have been done well Things that have been done badly     Suggested answers: Look at the way your face has been washed Look at the way your hair has been combed Look at the way your shoes have been cleaned You’d better do them again. Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you’ll come here again. Things that have been done well Things that have been done badly the way the flowers have been planted  the way the grass has been cut  the way the paths have been swept the way your face has been washed  the way your hair has been combed  the way your shoes have been cleaned   2. Read this poem aloud, paying attention to the rhythm and intonation. Then write your own poem. Look at the way   Look at the way  Look at the way  Look at the way  Look at the way Look at the way  The answer is varies. Step 5 Consolidation ( 2 minutes) Ask the students to close their books, and then recall what have learned in this class. Step 6 Homework ( 3 minutes) 1.Finish the workbook exercises on page 57. 2.Finish the exercise as fol

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