高中英語必修二 (學(xué)案)Unit 3 THE INTERNET-Discovering Useful Structure

1、3/3Unit 3 The Internet Discovering Useful Structure【學(xué)習(xí)目標(biāo)】1. To review the basic usages of the Present Perfect Passive Voice. 2. To learn to use some special cases concerning the Present Perfect Passive Voice. 【學(xué)習(xí)重難點(diǎn)】1. To appreciate the function of the Present Perfect Passive Voice in a sentence.2.

2、To write essays using the proper the Present Perfect Passive Voice.【學(xué)習(xí)過程】Step 1: 課前診斷一、觀察下列句子特點(diǎn)，總結(jié)共同點(diǎn)。1(教材P28) Much has been written about the wonders of the World Wide Web.2(教材P28) But the Internet has done much more for people than simply make life more convenient.3(教材P28) Many people have been he

3、lped by the club.4(教材P28) She no longer feels lonely, and her company has become quite successful.5(教材P32) Today I thought Id blog about a question that has been asked many timeshow do you stay safe online and avoid bad experiences on the Internet?共同點(diǎn)：_二、知識(shí)梳理1. 常與現(xiàn)在完成時(shí)連用的時(shí)間狀語有哪些？2. 現(xiàn)在完成時(shí)態(tài)的意義是什么？（1）現(xiàn)

4、在完成時(shí)的被動(dòng)語態(tài)強(qiáng)調(diào)一個(gè)發(fā)生在過去的_，動(dòng)作已_并強(qiáng)調(diào)對現(xiàn)在造成的_，主語和謂語之間為_關(guān)系。The door has already_ (lock). 門早已經(jīng)被鎖上了。I have _ (employ) at the job since 2015. 自從2015年，我就做這份工作。（2）基本構(gòu)成現(xiàn)在完成時(shí)的被動(dòng)語態(tài)的結(jié)構(gòu)為_A lot of money _ (spend) to protect the old temple by now.These trees _ (water) lately.帶有雙賓語的動(dòng)詞，如give, send, bring, take, teach, show,

5、 tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等，變?yōu)楸粍?dòng)語態(tài)時(shí)，一般將間接賓語變?yōu)楸粍?dòng)語態(tài)的主語，若將直接賓語變?yōu)楸粍?dòng)語態(tài)的主語時(shí)，間接賓語前面要用相應(yīng)的介詞。We have given him the book._Step 3 小試牛刀時(shí)態(tài)填空。1.He _ (select) to take part in the sports meeting2.The ink_ (remove) from his overcoat3. Has the date for the next meeting_ (decid

6、e)?4. How long has the battery_ (change)?句型轉(zhuǎn)換：The children have already been told the good news1.上面的句子變?yōu)榉穸ň?。_2.將上面的句子變?yōu)橐话阋蓡柧洹3.對上面句子中的The children進(jìn)行提問。_Step 4 課后鞏固1. They _ (sell) ten apartments in the past one hour. 2. He _ (buy) a present when she visited Xinjiang.3. He _ already _ (ask) to help

7、you.4. The company _ (make) its workers work5. A notice _ already _ (put up) on the wall.6. Since we realized that we should study hard, our time _ (make) full use of.7. These streets_ (not sweep) for two days.8. How long _ the book _ (keep)?9. How long ago _ the picture _ (take)? 10. These goods _ (not ship) abroad yet.II.完成句子：1. From what _ (已被討論過的) above, we can draw the conclusion that parents are our best teachers.2. Fortunately, a lot of measures _ (已被采取了) to deal with the problem.3. Two suggestions _ (已被提供) by our classmates.4. Peoples health _ (