Learning about Language in Unit 3 Book 2 教学模式”导学案
Knowledge aims: 1. Help the students study and master the new words and expressions in Learning about Language. 2. Help the students understand the knowledge about the passive voice of the Present Perfect Tense. Ability aims:
1. Require the students to master the usage of some important words in this part.. 2. Require the students to freely and correctly master
the use of the passive voice of the Present Perfect Tense in English language.
1. Foster the students to study individually, and then cooperate to study with others.
2. Develop the students` interest to learn English grammar well. Procedures and approaches:
1. Individual learning and mutual team work
2. Adopt the task-based teaching approach and use the heuristic methods. Teaching emphasis: Get the students to master the use of the passive voice of the Present Perfect Tense in English language.
Teaching difficulties: How to correctly use this grammatical knowledge in different language situations.. 教师个人备课（学生学
Teaching procedures and approaches: Step 1
Individual study Part One: Discovering useful words and expressions Exercise 1: Ask the students to fill in the words on the left according to their explanation on the right. (P.21) Exercise 2: Require the students to complete the short passage with the words “artificial, technology, intelligent, applications, explore, Web, reality and logically” (P.21) Exercise 3: Require the students to
read the sample story and then use the outline to create one of their own. (P.21) Step 2
Cooperative study 1.
The students check their answers mutually. Then the teacher solves their language errors where necessary. 2. The students summarize the usage of some important language points. (1)
intelligent adj. 智能的；聪明的；
intelligence n. 智力；聪明；智能
She is quite an intelligent girl. Man has created the world with his great intelligence. (2)from……on
From then on I made up my mind to work hard at English. From now on you should pay more attention to your writing. (3) as a result
as a result of……
As a result, John missed that concert. As a result of the bad weather, we had to postpone our picnic. Step 3 Grammar study (1) 观察：
①Over time the naughty boy has been changed quite a lot by his mother. ②Since last week many flowers have been planted in my garden. ③Has the important problem been discussed for nearly two hours. ④The meat has not been cut into pieces. [自主发现]：
主语＋have/has been done ... 主语＋have/has not been done ... Have/Has＋主语＋been done ...？
疑问词＋have/has＋主语＋been done ...？
Mike has been selected to take part in the football match. 迈克已被挑选出来参加这场足球赛。
The bridge has not been completed yet. 大桥还没完工。
Has the date for the next meeting been decided?
[即时演练1] ①So far much of my homework ________(finish) already. (语法填空) ②Many old houses________(pull) down in the past years. (语法填空) ③Great changes have been taken place in my hometown. (改错) 二、用法
1．现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，通常与already, yet, just, never, recently等副词连用。
My car has already been repaired. 机器已经修好了。
2．表示一个被动的动作或状态开始于过去，持续到现在，并可能持续下去，常与for或since引导的时间状语连用，或用于“How long ...？”句型中。
Such questions have been discussed for nearly two hours. 这样的问题已被讨论近两个小时了。
How long has this road been built?
You shouldn't leave school before your homework has been finished. 在你的作业没完成之前你不应该离开学校。
①Jack's boss has always praised him for his devotion to work. ②They have found a good place to build a temple in the village. ③We haven't yet decided how to solve that difficult technological problem.
①I will go home when my homework ___________. 当我的家庭作业完成时我就回家。
②Paper money __________for more than one thousand years. 纸币已被使用了1,000多年了。
His boss has already punished him. →He has already been punished (by his boss)．
2．带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等，变为被动语态时，一般将间接宾语变为被动语态的主语，若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。
The company has given him a chance to work abroad recently. →He has been given a chance to work abroad recently (by the company)．
→A chance to work abroad has been given to him recently (by the company)．
①I have asked her to help me with my lessons. ②We have planted many trees on the hill in the last 5 years. ③He has sent me an e-mail.
Task 3: A quit for the period
1．More than 10 novels ________ (write) by the famous author already 2．Since your work ________ (finish), you can have a rest now. 3．How many cars ________ (make) in the factory since 1990? 4．Two new schools ________ (open) in our city in the past five years. 5．It's the first time that the old computer ________ (check) since I bought it. 6．A lot of factories ________ (set) up in our city since 2000. 7．—We want to sit at the table near the window. —I'm sorry, but it ________ (take) already. 8．It's said that the bridge ________ (close) for repairs for months. Ⅱ.完成下列句子
1．___________ (男孩们已经被多次告知) not to swim in that lake, but it doesn't make any difference.
2．We are glad to be told that Li Hua ____________ to Beijing University (已经被录取)
. 3．With the help of high technology, more and more new substances (物质) ___________ (已经被发现) in the past years. 4．Though we don't know what was discussed, yet we can feel the topic ___________ (改变了)．
5．People's health ___________ (受到了很大的影响) by air, noise and water.