（2021新人教版）高中英语必修第二册Unit 2 wildlife protection 现在进行时被动语态ppt课件.pptx

1、Unit 2Unit 2 现在进行时被动语态现在进行时被动语态 RevisioRevisio n n 一、判断下面句子的时态和语态。一、判断下面句子的时态和语态。 1. She went for a walk with her mom. 2. The book was written by Lu Xun. 3. We change our way of life and learn to live in harmony with nature. 4. The classrooms are cleaned by the students every day. 5. Can I borrow th

2、e book from you? 6. This maths problem can be worked out by little Tom. 一般过去、主动一般过去、主动 一般过去、被动一般过去、被动 一般现在、主动一般现在、主动 一般现在、被动一般现在、被动 一般现在、主动一般现在、主动 一般现在、被动一般现在、被动 二、被动语态的构成。二、被动语态的构成。 1. The book was written by Lu Xun. 2. The classrooms are cleaned by the students every day. 3. This maths problem can

3、 be worked out by little Tom. 被动语态的构成被动语态的构成：主主语语+ be(am/is/was/are/were) +done 现在进行现在进行时的被动语态时的被动语态 一、观察例句，归纳用法。 （1）It is reported that many a new house is being built at present in the disaster area. （2）The plan is not being discussed at the meeting now. （3）Is the house you bought last month being

4、 decorated now? （4） What is being done to the machine? 1 1现在进行时的被动语态肯定形式为现在进行时的被动语态肯定形式为: :主语主语+ + _。如句。如句 (1)(1)。 2 2现在进行时的被动语态否定形式为现在进行时的被动语态否定形式为: :主语主语+ + _。如。如 句句(2)(2)。 3 3现在进行时的被动语态的一般疑问句式为：现在进行时的被动语态的一般疑问句式为：_。如句。如句 (3)(3)。 4 4现在进行时的被动语态的特殊疑问句式为：现在进行时的被动语态的特殊疑问句式为：_。如句。如句 (4)(4)。 is/am/are b

5、eing doneare being done is/amam/are are notnot being done being done is/am/areare主语主语being donebeing done 疑问词疑问词is/am/are+are+主语主语being donebeing done 现现在进行时的被动语在进行时的被动语态构成态构成 形式结构 肯定式主语am/is/arebeing done. 否定式主语am/is/are notbeing done. 一般疑问式am/is/are主语being done？ 特殊疑问式疑问词am/is/are主语+being done？ 二、二

6、、句句型转换型转换 They are building a modern school in his hometown. (1) (改为被动语态改为被动语态) A modern school _in his hometown () (把把(1)句改为否定句句改为否定句) A modern school _ in his hometown. () (把把(1)句改为一般疑问句句改为一般疑问句) _ in his hometown？ () (对对(1)句就句就in his hometown进行提进行提问问,where) _ 三三、用法用法 1At present a new home is bei

7、ng built for pandas. 目目前正在为熊猫建一个新家前正在为熊猫建一个新家。 表表示说话时正在进行的被动动作示说话时正在进行的被动动作,句中常用句中常用now, right now, at this moment, at present等时间状语。等时间状语。 2. A new railway station is being constructed. 一个一个新新的火的火车站正在建设中车站正在建设中。 表表示现阶段正在进行的被动动作，说话时不一定在进行。示现阶段正在进行的被动动作，说话时不一定在进行。 3 3表示一种表示一种经常性经常性的被动行为，常与的被动行为，常与alwa

8、ys，constantly， frequently等表示频度的副词连用，等表示频度的副词连用，带有赞赏或厌恶等感情色彩带有赞赏或厌恶等感情色彩。 I feel very surprised that the window of our classroom is frequently 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我感到非常吃惊的是，我们教室的那扇窗户经常被打破。 4表表示按计划或安排将要发生的被动动作示按计划或安排将要发生的被动动作(仅限于少数及物动词仅限于少数及物动词)。 A popular song is being sung next. 下面

9、将唱一首流行歌曲。下面将唱一首流行歌曲。 针对练习针对练习 () 1. As you can see, at present some places _ in order to make the city more beautiful. Aare being rebuilt Brebuilt Cbeing rebuilt Dare rebuilding ()2.Lets go to the museum where many art works _ now. Aare exhibiting Bexhibited Cto be exhibited Dare being exhibited ()3

10、.He is always _ by the teacher. Abeing praised Bpraising Cto praise Dto be praised A A D D A A 四、注四、注意事意事项：项： 1. “bein/on/under名词名词”常含被动意义，可代替现在进行时的被常含被动意义，可代替现在进行时的被 动语态。动语态。 The castle is under attack ( is being attacked) at the moment. 目前，那座城堡正受到进攻目前，那座城堡正受到进攻。 句型转换句型转换 1The highway is under cons

11、truction. The highway _. 2These hightech products are on display these days. These hightech products _ these days. is being constructed are being displayed conclusionconclusion 一、含义：表示现在正在被做一、含义：表示现在正在被做. 二、构成二、构成 肯肯定定式式：主主语语am/is/arebeing done. 否定否定式式：主主语语am/is/are notbeing done. 一般疑问一般疑问式式：Am/Is/A

12、re主语主语being done？ 特殊疑问特殊疑问式式：疑疑问词问词am/is/are主语主语+being done？ 三、用法三、用法 表示说话时正在进行的被动动表示说话时正在进行的被动动作；作； 表示现阶段正在进行的被动动表示现阶段正在进行的被动动作；作； 表示一种表示一种经常性经常性的被动行的被动行为，带有感情色彩；为，带有感情色彩； 表示按计划或安排将要发生的被动动作（少数动词）。表示按计划或安排将要发生的被动动作（少数动词）。 解解题要诀：题要诀： 1.1.时态时态 2.2.语语态态 一一.单句语法填空单句语法填空 1The suggestion _(discuss) at the

13、 meeting now. 2The ancient building whose roof was badly damaged in the rainstorm _(repair) now. 3The sports meeting _(hold) now in our school. 4The classroom _(decorate) with balloons and flowers right now. 5These birds _(preserve) well here at the present time. 巩固练习巩固练习 is being discussed is being

14、 repaired is being held is being decorated are being preserved 二二.单项选择单项选择 ()1.The church tower which _ will be open to tourists soon.The work is almost finished. Arestored Bto be restored Cis being restoredDbeing restored () 2.The giant machine _ apart at the moment and it will be fixed up in the n

15、ew workshop in the near future. Ataken Bhas been taken Cbeing taken Dis being taken () 3.But now that information _ and monitored in different ways. Ato be spread Bis being spread Cspread Dspreading C C D D B B ()4.Daisy has found that a lot of antelopes _ and killed for the wool beneath their stoma

16、chs now. Ato be huntedBare being hunted Chunting Dare hunting ()5.Since your bike is _ repair, you can use mine. Aunder Bon Cwith DAfter ()6.Many interesting experiments _ out these days. Acarried Bis carrying Cto be carriedDare being carried () 7.Look! The children _ a snowman in the yard now. Amak

17、ing Bare to be made Care making Dare being made B B A A D D C C 三、三、Exercises 3 on P 18 in the text book. In the wetland of my hometown，there are many different kinds of animals, including wildbirds, fish, snakes, insects and so on. When I was in primary school, I often went there with my friends to

18、 watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Small birds_(catch) with nets. Wild ducks _ (sell) at food markets. Fish and snakes _ (kill) for food in restaurants. And even worse, the wetland_ (destroy). Some parts _ (cover) with new houses. You can see rubbish everywhere.The wetland _ (pollute) seriously every day. I am very worried about it. What can we do? are being caught are being sold are being killed is being destroyed are being covered is being polluted