1、高中英语 必修2 Unit 4 Wildlife protectionUnit 4 Wildlife protectionSection BLearning about Language高中英语 必修2 Unit 4 Wildlife protection单元语法现在进行时的被动语态一、构成肯定式：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+主语+being done?特殊疑问式：疑问词+am/is/are+（主语+）being done?高中英语 必修2 Unit 4 Wildlife pro
2、tection二、用法（1）表示说话时正在进行的被动动作。（2）表示现阶段正在进行的被动动作，说话时不一定在进行。（3）表示一种经常性的被动行为，常与always，constantly，frequently 等表示频度的副词连用，带有赞赏或厌恶等感情色彩。（4）表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）。高中英语 必修2 Unit 4 Wildlife protection三、注意事项（1）一些表示状态、心理活动、拥有、存在等的动词，如 have，want，need，love，realize 等，一般不用于进行时，因而也没有进行时的被动语态，而常用一般现在时的被动语态表示此刻或目
3、前主语正承受谓语动词表示的动作。玛丽，过来，有你的电话。Mary，come here.Youre being wanted on the phone.（）Mary，come here.Youre wanted on the phone.（）高中英语 必修2 Unit 4 Wildlife protection（2）少数动词用于现在进行时态，用主动形式表示被动含义，如 print，cook，fry，hang 等。（3）“be+in/on/under+名词”常含被动意义，可代替现在进行时的被动语态。（4）因 为 被 动 语 态 的 基 本 结 构 为 be done，不少学生误将现在进行时的被动
4、语态 结 构“am/is/are+being done”写成一般现在时的被动语态结构“am/is/are+done”。瞧，这条道路正在建设中。Look!The road is built.（）Look!The road is being built.（）高中英语 必修2 Unit 4 Wildlife protection晚宴正由克里斯蒂娜准备着。The dinner is prepared by Christina.（）The dinner is being prepared by Christina.（）四、句型转换现在进行时的被动语态与现在分词的被动式 being done 均可表示正在
5、进行的被动动作，因此它们之间可以相互转换。高中英语 必修2 Unit 4 Wildlife protection误区警示非谓语动词的被动形式，表达不同时间的被动意义，作用也不一样。to be done：不定式的被动形式，表将来和被动being done：现在分词的被动形式，表进行和被动having been done：现在分词完成式的被动形式，表完成和被动高中英语 必修2 Unit 4 Wildlife protection练 习一 单句语法填空(1)Look!The baby_（take）care of by her aunt.(2)词汇复现A new house _（decorate）ou
6、tside our school at present.(3)A new library _（build）here.They hope to finish it next month.(4)Hi，Im Alice.Look at this photoa snowman _（make）by me.(5)At present a new home _（build）for pandas.(6)Is the bridge _（repair）now?is being takenis being decoratedis being builtis being madeis being builtbeing
7、 repaired高中英语 必修2 Unit 4 Wildlife protection(7)To our delight，many endangered species _（protect）by the government now.(8)Many interesting experiments _（carry）out these days.(9)Since your bike _（repair），you can use mine.(10)Daisy has found that a lot of antelopes _（hunt）and killed for the wool beneat
8、h their stomachs now.(11)The new generation of computers，with artificial intelligence，_（develop）and perfected now.are being protectedare being carriedis being repairedare being huntedare being developed高中英语 必修2 Unit 4 Wildlife protection(12)2017江苏卷He hurried home，never once looking back to see if he
9、 _（follow）.(13)I dont suppose the police know who did it.Well，surprisingly they do.A man has been arrested and _（question）now.(14)Have you handed in your schoolwork yet?Yes，I have.I guess it _（grade）now.(15)Whats that noise?Oh，I forgot to tell you.The new machine _（test）.was being followedis being q
10、uestionedis being gradedis being tested高中英语 必修2 Unit 4 Wildlife protection练 习二 单句写作(1)These birds _（正在被保护）well here.(2)The sports meeting _（正在被举办）in our school.(3)How many buildings _（正在被修建）in the town?(4)The giant machine _（被拆卸）at the moment and it will be fixed up in the new workshop in the near f
11、uture.(5)The classroom _（被装饰）with balloons and flowers right now and the students are preparing for the New Year party.are being protectedis being heldare being builtis being taken apartis being decorated高中英语 必修2 Unit 4 Wildlife protection(6)It is reported that many a new house _（正在被建造）at present in
12、 the disaster area.(7)He _（总是受到表扬）by the teacher.(8)The window of our classroom _（经常被打破）.(9)The sum these computers will cost us _（正在计算中）.(10)With the population increasing，more land _（需要）.is being builtis always being praisedis frequently being brokenis being calculatedis needed高中英语 必修2 Unit 4 Wild
13、life protection练 习三 句型转换(1)请告诉我此刻正在举行的会议的有关情况。Please tell me something about the meeting being held now.=Please tell me something about the meeting _.(2)我发现国旗正在升起。I find the national flag is being raised.=I find the national flag _.(3)电脑现在正在使用中。The computer is in use now.=The computer _now.which is
14、being held nowbeing raisedis being used高中英语 必修2 Unit 4 Wildlife protection(4)近来这些高科技产品正在展出中。These high-tech products are on display these days.=These high-tech products _these days.(5)此刻，那座城堡正遭到袭击。The castle is under attack at the moment.=The castle _at the moment.are being displayedis being attacke
15、d高中英语 必修2 Unit 4 Wildlife protection(6)这条公路正在修建/建造中。The highway is under repair/construction.=The highway _.(7)这个建议正在会上讨论。The suggestion is under discussion at the meeting.=The suggestion _at the meeting.is being repaired/constructedis being discussed高中英语 必修2 Unit 4 Wildlife protection综合练提升能力完成“综合练提升能力”中的题目