一、导读: Read the short passage on P6, finish the table and explore the rules. 二、导思: 思考黑体部分的时态和语态 1.If they are maintained over the long term, habits like these can become a serious health risk. 2.You may feel anxious that you are developing at a different rate to your friends. 3.It has also been proven that active people tend to have better immune systems. 4.An address is being given by the star to apologize for his misbehavior. 三、导学&导练: (1)现在进行时的被动语态 A. 概念 现在进行时的被动语态表示主语(某人或某事)“此时此刻正在被进行或遭受”的动作,主语是动作的承受者。 B. 构成和形式 1.现在进行时的被动语态的构成:am/is/are+being done My new house is being decorated. 我的新房子正在装修。 2.现在进行时的被动语态的形式 ①肯定式:主语+be+being+及物动词的过去分词+其他。 Another bridge is being built over the Yangtze River. 长江上正在修建另一座大桥。 ②否定式:主语+be+not+being+及物动词的过去分词+其他。 The engineer is not being treated fairly. 目前这位工程师没有受到公平的待遇。 ③一般疑问式:Be+主语+being+及物动词的过去分词+其他? Is the life of pandas being studied by the scientists? 科学家们正在研究熊猫的生活习惯吗? ④特殊疑问式:特殊疑问词+be+主语+being+及物动词的过去分词+其他? Where is the new science lab being built? 新的科技馆正在哪里建造? C. 用法 1.表示此时此刻正在进行的被动的动作。 My sister is now being interviewed. 我妹妹正在面试。 2.表示现阶段正在进行的被动的动作。 Many interesting experiments are being carried out these days. 这些天正在进行着许多有趣的实验。(说话时,并不一定正在进行) 3.表示反复进行的被动的动作。 always, frequently, constantly等和现在进行时的被动语态连用时表示反复进行的被动的动作,这种动词形式常用来表示赞扬或厌恶的感情色彩。 I feel very surprised that the window of our classroom is frequently being broken. 我感到很吃惊的是我们教室的那扇窗户经常被打破。 [即学即练1] 单句语法填空 ①Now, the problem _____________________ (discuss) in the meeting room. ②The highspeed railway between Beijing and Zhangjiakou_____________________ (build) at present. ③Young people_____________________ (encourage) to think carefully about their future plans from time to time by their parents and teachers. ④Wait a minute. The dishes for the dinner _____________________ (cook) in the kitchen. ⑤According to reports, nowadays sharks _____________________ (kill) at a surprising rate worldwide per year. (2)现在完成时的被动语态 A. 构成和形式 1.肯定式:主语+have/has been+及物动词的过去分词... 2.否定式:主语+have/has not been+及物动词的过去分词... 3.一般疑问式:Have/Has+主语+been+及物动词的过去分词...? 4.特殊疑问式:疑问词+have/has+主语+been+及物动词的过去分词...? B. 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。 Every means has already been tried. 每种方法都已经尝试了。 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...?”句型中。 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。 A few books have been destroyed in the library since last month. 自上个月以来,图书馆一些书被破坏了。 3.用在时间或条件状语从句中,表示将来某时刻已完成的动作,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 can't go out to play before your homework has been finished. 在你的作业完成之前,你不能出去玩。 C. 变化 1.只带有一个宾语的动词变为被动语态时,将主动语态的宾语变为被动语态的主语。 His teacher has already praised him. →He has already been praised (by his teacher). 他的老师已经表扬过他了。 2.带有双宾语的动词,如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等,变为被动语态时,一般将间接宾语变为被动语态的主语,若将直接宾语变为被动语态的主语时,间接宾语前面要用相应的介词。 The company has given him an opportunity to travel abroad recently. →He has been given an opportunity to travel abroad recently (by the company). →An opportunity to travel abroad has been given to him recently (by the company). 公司最近给了他一个出国旅游的机会。 [即学即练2] 单句语法填空 ①It's the first time that the old computer ______________________ (check) since I bought it. ②Every possible means ______________________ (try) to save the injured patient up to now. ③All the preparations for the task ______________________ (complete),and we're ready to start. ④Great changes have taken place in our town because many tall buildings ______________________ (set) up. ⑤The new dictionaries are very useful. They sell well and ______________________ (sell) out already. 四、达标导练:(10分钟) ①将下列句子改为被动语态 1.Human beings are killing elephants for their ivories. →__________________________________________________________________ 2.Our government is taking effective measures to control the air pollution. →__________________________________________________________________ 3.Have you found ways to make waste water clean? →__________________________________________________________________ 4.She has already returned this book to the library. →__________________________________________________________________ 5.We have seen him lie on the ground. →__________________________________________________________________ ②完成句子 1.______________________________________ for the 2022 Winter Olympic Games in Beijing. 北京正在为2022年的冬季奥运会做准备。 2.It is reported that _________________________________ in Henan. 据报道,河南的那个墓仍然正在挖掘中。 3.When and where to go for the onsalary holiday ________________________________ yet. 什么时候去哪里度带薪假还没有决定。 4.Though we don't know what was discussed, yet we can feel the topic _______________________________. 虽然我们不知道讨论了什么,但可以感觉到话题变了。 5.That book _________________________________ into at least 20 foreign languages so far. 到目前为止,那本书已被译成至少20种外语。 五、课后巩固训练:(30分钟) 限时练习 六、反思感悟: 1. 现在进行时和现在完成时的主被动能去分吗? 2. 能够按照要求用相应的时态和语态完成句子表达吗?
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