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1、Unit 3 Language in use,1. 一般将来时的被动语态 （1）常用结构： 1）主语+will be+v.-ed（+by+动作执行者）； 2）主语+am/is/are going to be+v.-ed（+by+动作执行者）。如：,Some trees will be planted this spring. 今年春天将要种些树。 These trees are not going to be cut down. 这些树不会被砍倒。,（2）各类句式： 1）肯定句： 主语+will/be（am/is/are） going to+be+done. 2）否定句： 主语+will no
2、t/be（am/is/are） not going to+be+done.,3）一般疑问句： A. Will+主语+be+done? B. Be（Am/Is/Are）+主语+going to+be done? 4）特殊疑问句： A. 特殊疑问词+will+主语+be+done? B. 特殊疑问词+be（am/is/are）+主语+going to+be done?,（3）主动语态转换成被动语态时的几种特殊情况 1）含有动词短语的主动句变为被动句时，因为动词短语是一个不可分割的整体，所以动词短语中含有的介词不可丢。如： The little boy was taken good care of
3、by his mum 那个小男孩被他妈妈照顾得很好。,2）不用被动语态的情况： A. 不及物动词，如：happen, take place等无被动语态。 B. 连系动词，如：look, sound, taste, smell, feel等后接形容词构成的系表结构无被动语态。如： The dish tastes good 这道菜尝起来很美味。,C. 某些可以和well, easily等副词连用的动词，如sell, wash, write, ride等常用主动形式表达被动意义。如： This kind of skirt sells well. 这种裙子卖得很好。,2. ones的用法 【辨析】on
4、e, ones, that与those （1）一般来说，one代表前面有不定冠词的可数名词单数，that代表前面有定冠词的可数名词单数；ones代表前有不带冠词的可数名词复数（前面总带有形容词作定语，不能单独使用），those代表前面有定冠词的可数名词复数。如：,A cake made of wheat tastes better than one made of rice. （one=a cake） I prefer the classroom with enough light rather than that with little light. （that=the classroom）
5、 I like peaches but I must have some ripe ones. （ones=peaches） He told me the stories of himself and those of his sister. （those=the stories）,（2）one或ones的定语既可以放在其前面，也可以放在其后面；that或those的定语只能放在其后面。如： He has got a new storybook, but I have got several old ones. 他有一本新的故事书，但我有一些旧的。 This book is the one t
6、hat is needed by everyone. 这本书正是每个人都需要的。,The cost of oil is less than that of gas. 石油的花费比天然气少。 The students who do the best in the examinations are not always those with the best brains. 能在考试中做到最好的学生通常不是最聪明的学生。,（3）如果在one或ones前面加上定冠词the分别用来代表可数名词的单数或复数，定语又在其后，这时的the one或the ones可以分别与that或those互换。如： T
7、he singer from Shanghai sang better in the concert than the one/that from Beijing. 在音乐会中，来自上海的歌手比来自北京的唱得好。 Hed prefer the places of interest in the countryside to those/the ones in the cities. 比起城市的景点，他更喜欢乡村的景点。,【话题呈现】 本模块以“Great inventions”为话题，围绕数码相机的使用、纸和印刷术的发明，让同学们更多地了解历史上重要的发明。通过本模块的学习，要求学生能够使用含
8、有被动语态的句子表达发明对人类的影响，包括其起源、使用、变化和未来的发展趋势。并恰当使用as a result, because和so。,【佳句荟萃】 Will books be replaced by computers? 书籍会被电脑取代吗？ Theyll be put up on the school website. 它们将被公布在学校网站上。 There are many famous inventions like the TV and the bicycle. TV provides us with different kinds of information so that w
9、e can know more about the world. 有很多有名的发明，像电视机和自行车等。电视机给我们提供各种不同的信息，以便我们能更多地了解世界。,Every evening, my mother looks through ma-gazines at home. 每天晚上，我妈妈都在家浏览杂志。 The computer was invented in 1946. 1946年，我们发明了计算机。 The computer is a very useful tool in our life, in our study as well as in our work. 计算机在我们
10、的生活、学习和工作中都是一个很有用的工具。,Its convenient and can help us to look up the words. 它很方便，能帮助我们查单词。 The computer is the most helpful invention in the world. 计算机是世界上最有用的发明。 Its hard to imagine what our life would be like if we had no computers in our daily life. 很难想象如果我们的日常生活中没有计算机我们的生活将是什么样子。,【写作任务】 目前电子书包开始在
11、一些学校试用。请根据下表的提示用英语写一篇文章，介绍不同的人对电子书包（electronic schoolbag）的不同看法。注意书写整洁。词数：80左右（开头已给出，不计入总词数）。,【写作指导】 这是要求写一篇不同的人对电子书包不同看法的小议论文，要用第一人称和一般现在时来写作。,electronic schoolbags,you want to know,useful,carry,backs,more expensive,bad,【自主创作】 Recently I made a survey about the use of electronic schoolbags.,【范文展示】,R
12、ecently I made a survey about the use of electronic schoolbags. Do you think electronic schoolbags will be widely used in the future? You can find out easily what you want to know. My classmates think that electronic schoolbags are useful and convenient. They can listen to music on them. And parents
13、 also think electronic schoolbags are easy to carry and childrens backs and necks will not be hurt.,But my English teacher doesnt think we should use them because he thinks they are more expensive. I think electronic schoolbags are bad for our eyes. In a word, we shouldnt use them more in our study.,【升格点拨】 文章开篇引题，分别阐述作者的同学、父母和老师的观点并且陈述理由，最后阐述自己的观点。运用了主动语态和被动语态，长短句结合，是一篇不错的习作。,