人教版高中英语必修2 Unit3 语法写作课件

1、配人教版英语必修配人教版英语必修2 Period 3Grammar 配人教版英语必修配人教版英语必修2 课本原文：(1)Over time，I have been changed quite a lot.(2)First as a PC and then as a laptop，I have been used in offices and homes since the 1970s.现在完成时的被动语态 配人教版英语必修配人教版英语必修2 1现在完成时被动语态的构成现在完成时的被动语态由“have/has been过去分词”构成。第三人称单数用has，第三人称复数以及其余人称用have。配人

2、教版英语必修配人教版英语必修2 2现在完成时被动语态的否定式和疑问式否定式是在have/has后加not，也可缩写成havent/hasnt；构成疑问式时，将have/has提前；构成反意疑问句时，附加问句借助have/has。The 31st Olympic Games havent been held yet.第31届奥运会还没有举行。Has his new novel been translated into English yet？他的新小说被译成英语了吗？They havent been told the exciting news yet，have they?他们还没有被告知这个令

3、人兴奋的消息，是吗？配人教版英语必修配人教版英语必修2 3使用现在完成时的被动语态要注意以下几点(1)一般来说，只有及物动词才有被动语态，因为只有及物动词才可能有动作的承受者。但有许多由不及物动词加介词或副词构成的短语，相当于及物动词，可以有宾语，因而也可以有被动语态。但应注意：短语动词是一个不可分割的整体，变为被动语态时，不可丢掉构成短语动词的介词或副词。They have put up a map on the wall.(主动语态)他们已经在墙上挂上了地图。A map has been put up on the wall.(被动语态)地图已经被挂在了墙上。配人教版英语必修配人教版英语必

4、修2 (2)非延续性动词，如borrow，finish，begin，start，buy，marry，open，join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则要改换动词或时态。例如：How long has this dictionary been borrowed？()How long has this dictionary been kept？()这本字典借了多长时间了？配人教版英语必修配人教版英语必修2 但这类动词的否定式可表示动作的持续过程，具有持续性，因而可与since或for构成的时间状语连用。This dictionary has not

5、been borrowed since last week.自上周以来没有人借过这本字典。配人教版英语必修配人教版英语必修2 .把下列句子变为现在完成时的被动语态1He has finished his homework._2They have built a new railway line._配人教版英语必修配人教版英语必修2 3They have planted many trees on the hill._4I have made him work hard._5He has asked me to help you._配人教版英语必修配人教版英语必修2 【答案】1His homew

6、ork has been finished.2A new railway line has been built.3Many trees have been planted on the hill.4He has been made to work hard.5I have been asked to help you.配人教版英语必修配人教版英语必修2 .用现在完成时的被动语态连成句子1a new hospital，build，in our city_2China，another manmade satellite，send into space_配人教版英语必修配人教版英语必修2 3far

7、mers，cut down，more and more trees，for firewood_4they，spend，a lot of money，on the project_5the forest fire，kill，thousands of animals_配人教版英语必修配人教版英语必修2 【答案】1A new hospital has been built in our city.2Another manmade satellite has been sent into space by China.3More and more trees have been cut down fo

8、r firewood by farmers.4A lot of money has been spent on the project by them.5Thousands of animals have been killed in the forest fire.配人教版英语必修配人教版英语必修2 .用括号里动词或动词短语的正确形式完成下列句子。1More than 5,000 used bikes_(collect)since the two brothers set up the organization.2Since the cause of this disease_(discov

9、er)，now we need to develop the medicine to treat it.3Every possible means_(try)to stop the bad behavior，but they dont work at all.配人教版英语必修配人教版英语必修2 4Over the past ten years，this town_(hit) twice by earthquakes.5Will the lecture be held at 4 oclock this afternoon?No.It_(put off)till tomorrow afternoo

10、n.6Her novel is very popular among people of all ages；so far it_(translate)into 25 languages.配人教版英语必修配人教版英语必修2 【答案】1have been collected2.has been discovered3has been tried4.has been hit5has been put off6.has been translated配人教版英语必修配人教版英语必修2 .完成句子1由于大雪，高速公路已经被封闭。The freeway_because of the heavy snow.

11、2对不起，先生，这次展览的门票已经全部卖完了。Sorry，Sir，all the tickets for the exhibition _ _.配人教版英语必修配人教版英语必修2 3这座城市已经建了多少座大楼？How many high buildings_in this city?4为了多种一些谷物，很多树被砍掉了。Large numbers of trees_to grow more grain.5我喜欢这部科幻电影，它已经在电视上播了三次了。I like this science fiction film and it _three times on TV.配人教版英语必修配人教版英语必

12、修2 【答案】1has been closed2have (been) sold out3have been built4have been cut down5has been broadcast配人教版英语必修配人教版英语必修2 兴趣爱好【课标解读】指音乐、舞蹈、表演、体育运动、游戏(包括网络游戏)、集邮、阅读、烹饪、看电影、看电视、听收音广播、欣赏戏剧、听音乐会、观光旅行、招待客人、访问博物馆、饲养宠物等。配人教版英语必修配人教版英语必修2 【必备语汇】(1)surf the Internet上网(2)chat online在线聊天(3)enjoy popular music喜欢流行音乐(

13、4)be fond of/be keen on喜欢(5)have some hobbies有一些爱好(6)be interested in对感兴趣(7)show/have/take an interest in对感兴趣(8)be crazy about 对着迷(9)come to like 越来越喜欢配人教版英语必修配人教版英语必修2 (10)develop a great liking for 渐渐爱上(11)I prefer watching a TV show to going to a concert.我宁愿看电视表演，而不愿去听音乐会。(12)He goes for playing

14、online games.他喜欢玩在线游戏。(13)Shopping is my favorite hobby in my spare time.购物是我闲暇时最喜欢的爱好。(14)I hate visiting museums，for I think they are boring.我讨厌参观博物馆，因为我觉得它们让人感到无趣。配人教版英语必修配人教版英语必修2 【基础写作】假如你热衷集邮，但家长并不支持，于是你向一个学生心声的专栏写信咨询解决的办法。内容包括：1你的意见：(1)增长知识；(2)减压；(3)挣钱。2家长意见：(1)浪费钱；(2)占了学习时间。配人教版英语必修配人教版英语必修2 配人教版英语必修配人教版英语必修2 配人教版英语必修配人教版英语必修2 However，my parents are strongly against it for they consider it as a waste of money an