牛津译林版（2019）必修 第二册Unit 2 Be sporty, be healthy语法课件(共19张PPT)

(共19张PPT)
Period 3
Unit 2
Be sporty，be healthy
Grammar and usage—Passive voice in the present continuous and present perfect tenses
语法感悟
语法精讲
达标检测
语法 感悟
阅读以下短文，感知画线的句子，并完成其后的题目。
Are you ready to get fit？We are happy to announce that the Community Sports Center will soon be open to the public once again！(1)Our facilities have been enlarged and redone，and our center is now bigger and better than ever before.(2)The finishing touches are now being put to a new swimming pool and (3)our workout rooms have been updated with modern e by and check them out!
There are a lot of fitness courses for you to choose from.In response to public interest，(4)our aerobics class has been replaced with several fun options，including modern dance.You can find more details about all our courses on our website.Better still，we will update our fitness courses every few months so that more popular courses can be included.
(5)Weight training classes，for example，are being designed and (6)will be added to our programme soon.We will invite professional athletes to be our coaches.We are confident that we have something for everyone.We look forward to seeing you here!
以上画线句子均使用了 语态，其中句 ， 和 是现在完成时的被动语态，其构成是 ；句 和 是现在进行时的被动语态，其构成是 ；句 是一般将来时的被动语态，其构成是 。
自主发现
被动
(1)
(3)
(4)
have/has been done
(2)
(5)
be being done
(6)
will be done
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语法 精讲
现在进行时的被动语态
一、结构
肯定式 主语＋am/is/are＋being done
否定式 主语＋am/is/are＋not being done
一般疑问式 Am/Is/Are (not)＋主语＋being done？
特殊疑问式 特殊疑问词＋am/is/are (not)＋主语＋being done？
二、用法
1.表示说话时正在进行的被动动作。句中常用now，at the moment等时间状语。
My younger sister is now being interviewed.
我妹妹现在正在接受采访。
2.表示现阶段正在进行的被动动作(说话时不一定在进行)。
These animals are being hunted at such a speed that they will disappear soon.
以这样的速度捕杀这些动物，它们很快就会消失。
3.表示一种习惯的被动行为，常与always，constantly，often等词连用，表示赞赏、羡慕、讨厌等感彩。
I feel very surprised that the window of our classroom is often being broken.我感到非常吃惊的是我们教室的那扇窗户经常被打破。
4.与某些情态动词连用，表示对正在发生的动作的推测。
Jim may be being interviewed by the reporters at the very moment.
吉姆此刻可能正在接受记者的采访。
5.有些“介词＋名词”结构可以表示现在进行时的被动意义。
请记住这些短语：on show，in use，under protection，under repair，under discussion，under consideration等。
The telephone is in use now.＝The telephone is being used now.现在电话正在使用中。
The problem is under discussion at the meeting now.＝The problem is being discussed at the meeting now.正在会议上讨论这个问题。
现在完成时的被动语态
一、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？
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。
The machine has already been repaired.
机器已经被修好了。
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...？”句式中。
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
这部电影已经放映多长时间了？
3.用在时间或条件状语从句中，表示将来某时已完成的被动动作，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：
already已经；yet已经；尚，还；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；for a long time很长一段时间；by now到现在为止；in recent years在最近几年里；in/during/over the past/last years在过去的几年里
点津
返 回
达标检测
阅读下面短文，根据括号内的汉语提示补全语篇
As is known to all，waste 1.__________________________________
_________(已经成为一个越来越严重的问题).We can easily see many people do not turn off the lights after using them; many disposable(一次性的) products 2. (正在被使用) in our daily life; some good food 3. (已经到处可见) in the garbage can.In the office，some equipment is often on for a long time but nobody is using it.What’s worse，a great deal of paper 4. (已经被浪费了).
In my opinion，we should call on more and more people to fight against waste.
has become a more and more serious
problem
are being used
has been seen everywhere
has been wasted
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本课结束