Unit 4 Amazing Art Using language (ppt课件) (ppt课件) -2022新外研版(2019)《高中英语》必修第三册.pptx
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1、 A computer center for the students is being built.The trees are being planted and the flowers are being watered by the students in Class One.I am being scolded by the teacher in the office now.结构:结构:be(am/is/are)being doneu现在进行时的被动语态系动词be用am/is/are,be动词由_来确定。u当主语为I时,be动词用_。u当主语为第一/第二/第三人称复数时,be动词用_
2、。u当主语为第三人称单数时,be用_。主语主语amisare观察下面对话观察下面对话,并完成句子并完成句子:1.An orange _by her.她正在吃橘子。她正在吃橘子。2.The story _by Jim.不是吉姆在读这个故事不是吉姆在读这个故事。3.Is a new library _in their school now?他们学校现在正在建一座新图书馆吗他们学校现在正在建一座新图书馆吗?4.When is the sports meeting_?我校将在什么时候举行运动会我校将在什么时候举行运动会?is being eatenis not being readbeing buil
3、tbeing held in our school肯定句肯定句否定句否定句一般疑问句一般疑问句特殊疑问句特殊疑问句be(am/is/are)+being donebe(am/is/are)+not+being donebe(am/is/are)+主语主语+being done特殊疑问词特殊疑问词+be(am/is/are)+主语主语+being done1.表示表示此刻正被进行此刻正被进行的动作。的动作。n The question is being discussed at the meeting now.这个问题正在会上被讨论。这个问题正在会上被讨论。n Another bridge is
4、 being built over the Changjiang River at present.目目前长江上正在建造另一座大桥。前长江上正在建造另一座大桥。2.表示表示现阶段正被进行现阶段正被进行的动作。的动作。n Many tall buildings are being built,and people will move in next year.许多高楼都在建设中,人们明年将搬进去。许多高楼都在建设中,人们明年将搬进去。n These animals are being hunted at such a speed that they will disappear soon.以如此
5、速度捕杀动物,它们很快就会消失。以如此速度捕杀动物,它们很快就会消失。3.表示表示经常性的被动行为经常性的被动行为,常和,常和always,constantly,frequently等表示频率的副词连用。这类用法常常带等表示频率的副词连用。这类用法常常带有说话者主观上的有说话者主观上的赞扬或厌恶赞扬或厌恶的感情色彩。的感情色彩。n The clothes are always being washed by my mother.衣服总是由我妈妈来洗。n The fitness equipment in the park is always being damaged by some naugh
6、ty boys.公园里的健身器材总是被一些调皮的男孩破坏。4.表示表示按计划或安排按计划或安排,主语,主语将要将要承受的动作。承受的动作。n Next week,our school is being inspected by many specialists.下星期,许多专家将来我们学校视察。n The 24th Olympic Winter Games is being held in Beijing in 2022.第24届冬季奥林匹克运动会将于2022年在北京举行。1.As you can see,many trees _(cut)down by humans now.2.Look,t
7、he river _(pollute)by the waste from the factory.3.Lots of trees are _(plant)by students over there.4.Is the bridge _(repair)now?5.She is outstanding in school and always _(praise)by the teachers.Practiceare being cutis being pollutedbeing plantedbeing repairedbeing praised1.在现在进行时的被动语态中,在现在进行时的被动语态
8、中,be为第一助动词,为第一助动词,being为第二助动词,缺一不可,且位置不可互换。为第二助动词,缺一不可,且位置不可互换。此结构若缺少此结构若缺少being,则就成为一般现在时的被动语,则就成为一般现在时的被动语态或系表结构。试比较:态或系表结构。试比较:n The moving story is being read by a student in a soft voice.这个感人的故事正在由一名学生轻声读着。n The moving story is read well by a student.一名学生将这个感人的故事读得很好。(一般现在时被动语态)2.take care of,l
9、ook after,talk about,think of等等一些动词短语用于现在进行时的被动语态时,其中的一些动词短语用于现在进行时的被动语态时,其中的介词不可省略介词不可省略。n The children are being taken good care of by their grandmother.那些孩子正由他们的祖母好好照看着。3.非延续性动词、表示存在意义、所属关系、静态特征非延续性动词、表示存在意义、所属关系、静态特征的动词以及系动词的动词以及系动词等,等,不用于不用于现在进行时的现在进行时的被动语态被动语态。(如:如:stay,love,have,want,belong t
10、o等一般不用于现等一般不用于现在进行时的被动语态。在进行时的被动语态。)n It is known to us that Taiwan belongs to China.众所周知,台湾是中国的领土。4.“beunder/in等介词名词等介词名词”结构,可用来表示现结构,可用来表示现在进行时的被动语态的含义。在进行时的被动语态的含义。n The telephone is in use.The telephone is being used.n The bridge is under construction.The bridge is being constructed.Practice1.It
11、 is said that the wise questions are always _(ask)by the boy.2.A modern school _(build)in our city.3.Please keep quiet!The students _(teach)how to pronounce the words.4.Would you please keep silent?The weather report _(broadcast)and I want to listen.5.Many new houses _(build)at present in the disast
12、er area.being askedis being builtare being taughtis being broadcastare being builtRewrite the underlined parts using the passive.n For example,on some buildings in my city,beautiful pictures are being painted.n Even trees can be art trees are being trimmed into interesting shapes,like animals or clo
13、uds.n Its easy to see great art nowadays,because it is being created everywhere you look.Look at the picture.Describe what is happening using the passive form of the words and expressions in the box.arrange carry hang paintput up sweep write Lamps are being arranged.The wall is being painted.A paint
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