新教材高中英语UNIT3THEINTERNETSectionⅢDiscoveringUsefulSt

新教材高中英语UNIT3THEINTERNETSectionⅢDiscoveringUsefulStructures学案新人教版必修第二册Section ⅢDiscovering Useful Structures现在完成时的被动语态1．(教材P28)Much_has_been_written(write) about the wonders of the World Wide Web．2．(教材P28)But the Internet has_done(do) much more for people than simply make life more convenient．3．(教材P28)Many people have_been_helped(help) by the club．4．(教材P28)She no longer feels lonely, and her company_has_become(become) quite successful．5．(教材P32)Today I thought I’d blog about a question that has_been_asked(ask) many times—how do you stay safe online and avoid bad experiences on the Internet?一、现在完成时的被动语态的结构肯定式主语＋have/has been done．．．否定式主语＋have/has not been done．．．一般疑问式Have/Has＋主语＋been done．．．？特殊疑问式疑问词＋have/has＋主语＋been done．．．？◆He他已被挑选出来参加运动会。

◆The ink has not been removed from his overcoat．墨迹还没有从他外套上去掉。

◆Has the date for the next meeting been decided?下次会议的日期已确定了吗？◆How long has the battery not been changed?电池多久没有更换了？【即时演练1】——句型转换The children have already been told the good news．①将上面的句子变为否定句。

The_children_haven’t_been_told_the_good_news_yet．②将上面的句子变为一般疑问句。

Have_the_children_been_told_the_good_news_yet?③对上面句子中的The children进行提问。

Who_has_been_told_the_good_news_yet?二、现在完成时的被动语态的用法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。

◆The machine 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。

◆Financial problems of the company have been discussed for nearly two hours．公司的财务问题已被讨论了近两个小时了。

◆How long has this film been shown?这部电影已放映多长时间了？3．用在时间或条件状语从句中，表示将来某时已完成的动作，即用现在完成时的被动语态代替将来完成时的被动语态。

◆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。

常与现在完成时连用的时间状语有：already 已经yet 已经recently/lately 最近since then 从那时起ever since 自那以来ever 曾经so far 迄今为止by now 到现在为止for a long time 很长一段时间in recent years 在最近几年里in/during/over the past/last years 在过去的几年里【即时演练2】(1)用现在完成时的被动语态改写句子①Jack’s boss has always praised him for his devotion to work．→Jack has_always_been_praised by his boss for his devotion to work．②They have found a good place to build a temple in the village．→A good place has_been_found to build a temple in the village．③We haven’t yet decided how to solve that difficult technological problem．→How to solve that difficult technological problem hasn’t_been_decided yet．(2)完成句子④当我的家庭作业完成时我就回家。

I will go home when my homework has_been_finished．⑤纸币已被使用了1 000多年了。

Paper money has_been_used for over one thousand years．(1)只带有一个宾语的动词变为被动语态时，将主动语态的宾语变为被动语态的主语。

◆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。

◆He gave the little girl an apple．→The little girl was given an apple (by him)．→An apple was given to the little girl (by him)．【即时演练3】——将下面句子变为被动语态①I have asked her to help you．→She_has_been_asked_to_help_you．②We have planted many trees on the hill in the last 5 years．→Many_trees_have__been_planted_on_the_hill_in_the_last_5_years．③He has sent me an e­mail．→I_have_been_sent_an_e­mail．→An_e­mail_has_been_sent_to_me．Ⅰ单句语法填空1．A great many machines have_been_produced(produce) by the factory since thetechnological revolution．2．Great changes have_taken(take) place in my hometown and a lot of factories have_been_set(set) up in the past ten years．3．In the last few years, thousands of films have_been_produced(produce) all over the world．4．Up to now, a lot of high­rise buildings have_been_built(build) in our city．5．Over the past three years, more than $10 million has_been_spent(spend) carrying out the project．6．The robots have_been_used(use) to help humans do some dangerous work since the late 1990s．7．The English song has_been_sung(sing) for many years, but we still like it．8．Professor Yang has_been_invited(invite) to the film festival twice so far．9．Over time I have_been_changed(change) quite a lot．10．It has_been_used(use) in offices and homes since the 1970s．Ⅱ句型转换1．We have sent some rockets to space to explore the Moon and Mars．Some rockets have_been_sent to space by us to explore the Moon and Mars．2．Robert has bought an iPhone using his own money．An iPhone has_been_bought by Robert using his own money．3．The famous company has given the computers away to those high schools．The computers have_been_given_away to those high schools by the famous company．4．The local government has chosen the university to organise the training course．The university has_been_chosen by the local government to organise the training course．5．They haven’t told me that the meeting will be put off until next Friday．I haven’t_been_told that the meeting will be put off until next Friday．6．People use bamboo in many different ways for thousands of years．Bamboo has_been_used in many different ways for thousands of years．Ⅰ单句语法填空1．More than 50，000 yuan has_been_raised(raise) for the poor family since the group was founded．2．China’s space program has_been_developed(develop) greatly since it sent its first astronaut to space in 2003．3．Computer science, with which rapid progress has_been_made(make) in recent years, plays a very important part in our daily life．4．Up to now, more than five new species have_been_found(find) on this island by researchers．5．Black Friday has_been_regarded(regard) as the beginning of the holiday shopping season for years．6．Since the early 1990s, a lot of clinics have_been_founded(found) in this country to treat poor people for free．7．The balance between the city and the country has_been_broken(break) by the industrial development over the past two centuries．8．Some efforts were_made(make) to improve the air quality in the city last winter．9．Over the past three years, the paintings have_been_taken(take) to more than 20 museums in the world．10．For centuries, the ancient language has_been_passed(pass) on from one generation to another．Ⅱ阅读理解Smartphones, tablets and smart watches are banned(禁止) at school for all children under 15 in France．Under theban students are not able to use their phones at all duringschool hours, including meal breaks．“I think it’s a good thing．School is not about being on your phone，” Paris mum Marie­Caroline Madeleine told AFP．“It’s hard wi th kids．You can’t control what they see and that’s one of the things that worries me as a parent．”There is no law like this in Australia, but some Australian schools have banned phones．McKinnon Secondary School in Victoria introduced a total ban in February and Principal Pitsa Binnion said this has been a success．McKinnon students still have a Chromebook to use in every class for day­to­day learning but they’re not allowed to use social media(媒体)．Ms Binnion said at first “teachers cheered and students mo aned(抱怨)，”but now they’re seeing the positives(优势)．“They come to school and they’re not allowed to use phones at all during the school day, including lunch breaks，” she said．“It’s been wonderful in terms of students communicating with each other at lunchtime and not looking at their screen，” she said．Ms Binnion also leads by example and doesn’t use her mobile phone in school．“I think anyone can do it if we’ve done it．”Not everyone agrees with the bans．Western Sydney University technology researcher Dr．Joanne Orlando wrote in online magazine The Conversation earlier this year that Australia should not ban phones in schools because it’s important to educate kids to live in the age they are raised in．“A good education for students today is knowing how to use technology to learn, communicate and work with ideas，” she wrote．“Banning students from using smartphones is a 1950s response to a 2018 state­of­play．”【解题导语】本文是一篇议论文。