Unit 3 Section B Using Language 教学课件-高中英语外研版（2019）必修第三册

1、Section BUsing Language1. beyondbeyond ones control超出某人的控制，不受某人的控制beyond ones imagination 超乎某人的想象beyond expression 无法表达beyond description 无法形容beyond belief令人难以置信beyond ones power 超出某人的权力范围beyond compare 无与伦比练习：The scenery along the lake is beautiful _ (无法形容).Vocabulary beyond description2. significa

2、ntsignificance n. 重要性，意义be of great/much significance 重要的，有重大意义的be of no/little significance 无关紧要的have great/no significance (for. . . ) （对）很重要/不重要attach (great) significance to. . . （非常）重视练习：Something _ (significance) is happening to the world population it is aging.significant3. origin the origin

3、of. . . 的起源/起因in origin 在来源上have ones origins in. . . 起源于by origin 籍贯original adj. 原来的，起初的；独创的originally adv. 原来，起初originate vi.起源，发端于；vt. 创立，创建练习：The jeans today have changed very slightly from their _ (origin) design.original4. curea cure for. . . 的疗法措施cure sth. 治好疾病cure sb. 治好某人cure sb. of sth. 使

4、某人从某种疾病中痊愈练习：Medical research often makes use _ the forests plant and animal life, and the destruction of such species could prevent researchers from finding cures _ certain diseases.offorGrammar 现在完成时的被动语态动词的语态表示主语与谓语之间的关系。英语有两种语态：主动语态和被动语态。下面几种情况一般用被动语态：1.不知道或没有必要说明动作的执行者是谁。Such books have been wr

5、itten for children. 已经为儿童编写这类书籍了。2.强调动作的承受者，而不强调动作的执行者。All these products have been tested. 这些产品都经过测试了。3.动作的执行者很模糊。The letter has been opened. 这封信被人拆开了。4.有时为了礼貌的需要，避免说出动作的执行者。They have been told many times not to make noises. 已经有人多次跟他们说别那么大声了。选用被动语态的情况现在完成时的被动语态的基本构成是：have/has been done。但在不同的句式中，其具体

6、形式也有所不同。1.肯定句形式：主语have/has been done (+其他).The bridge over the Yellow River has just been completed. 黄河上的这座桥刚刚建成。The plan has been studied by the experts last month. 这个计划在上个月已经由专家研究过了。2.否定句形式：主语have/has not been done (+其他).They havent been told the exciting news yet, have they?还没有人告诉他们这个令人激动的消息，是吗？T

7、he second-hand car has not been sold. 这辆二手汽车还没有被卖出去。现在完成时的被动语态的构成3.一般疑问句形式Have/Has+主语+ been done (+其他)?Has her work been finished? 她的工作完成了吗？Yes, it has. 是的，完成了。4.特殊疑问句形式特殊疑问词have/has+主语been done (+其他)?How long has the machine been used? 这台机器使用多久了？1.表示被动的动作在说话前已经完成，强调过去的动作对现在造成的影响或产生的结果，通常与 already,

8、yet, never, recently等副词及时间状语 so far, by now, up till now等连用。The room has already been cleaned. 这个房间已经被打扫干净了。（现在已经不用打扫房间了）The doctor hasnt been sent for yet. 还没有派人去请医生。（现在应派人去请医生）现在完成时的被动语态的用法2.表示被动的动作或状态从过去开始一直持续到现在，并可能继续持续下去，常与for或since等引出的时间状语（从句）连用，或用于how long引出的句子中。The bridge has been built for

9、two years. 这座桥已经建了两年了。（可能还会继续建造）How long has the project been carried out? 这项工程已经实施多长时间了？（可能还会继续实施）3. 用在时间状语从句中，表示将来某时已经完成的动作。Well start as soon as the work has been finished. 这份工作一完成我们就立即动身。1. Shakespeares play Hamlet _ (make) into at least ten different films over the past years.2. Would you like to go to the cinema with me tomorrow afternoon?Id like to, Mum, but I _ (invite) to a party by Jane. It is her birthday.3. Till now, three films _ (show) in that small village this month.4. I want to buy that kind of cloth because I _ (tell) the cloth washes well