高二英语精品课件：UNIT3 LIFE IN THE FUTUREGRAMMAR .ppt

1、Section Grammar&Writing语法专题突破品味语法读下面课文中出现的句子，判断划线部分在句中分别作什么成分。1(P17)Worried about the journey，I was unsettled for the first few days.2(P18)Well-known for their expertise，his parents company，called“Future Tours”，transported me safely into the future in a time capsule.3(P22)Described as an enormous ro

2、und plate，it spins slowly in space to imitate the pull of the earths gravity.自我探究过去分词作状语可以表示时间、原因、条件、让步、方式或伴随情况等。其逻辑主语一般与句子的主语保持一致，过去分词与逻辑主语之间一般是被动关系。表示时间、原因、条件、让步的过去分词短语可以拓展成相应的状语从句。讲解归纳过去分词()一、过去分词或过去分词短语作状语1时间状语过去分词作时间状语，相当于一个时间状语从句。也可在过去分词前加上连词“when，while，until”等，使其时间意义更明确。Seen from the top of t

3、he hill，the city looks more beautiful.When it is seen from the hill，the city looks more beautiful.从山顶看，城市显得更漂亮。Dont speak until asked to.Dont speak until you are asked to.当被要求发言时，你才能讲话。2原因状语过去分词作原因状语，相当于一个原因状语从句。Written in a hurry，this article was not so good.Because it was written in a hurry，this a

4、rticle was not so good.因为写得匆忙，这篇文章不是很好。3条件状语可用在连词if，unless之后，相当于一个条件状语从句。Given more time，we could do it much better.If we were given more time，we could do it much better.多给我们点时间，我们会做得更好。4让步状语有时可用在although，though，even if，even though，whether.or等连词之后，相当于一个让步状语从句。Though warned of the storm，the farmers w

5、ere still working in the fields.Though they had been warned of the storm，the farmers were still working in the fields.虽然农民们已被警告将有风暴，但他们仍然在地里干活。5方式或伴随状语此时相当于一个由and连接的并列结构。The teacher entered the classroom，followed by a group of his students.The teacher entered the classroom and he was followed by a g

6、roup of his students.老师走进教室，后面跟着一群他的学生。二、过去分词作状语用法点津(1)作状语的过去分词其逻辑主语通常就是句子的主语，且主语是过去分词动作的承受者，即过去分词表示的动作与主语之间是动宾关系。Given another hour，I can also work out this problem.(I和give之间是动宾关系)再给我一个小时，我也能解出这道题。(2)值得注意的是，有些过去分词及短语因来源于系表结构，作状语时不强调被动而重在描述主语的状态。这样的过去分词及短语常见的有：lost(迷路)；seated(坐)；hidden(躲)；lost/absor

7、bed in(沉溺于)；dressed in(穿着)；tired of(厌烦)。Lost in thought，he didnt hear the bell.由于陷入沉思之中，他没有听到铃声。(3)过去分词常跟when，while，after，if，unless，although/though，as if等连词一起用，修饰谓语动词。Metals expand when heated.金属被加热会膨胀。过去分词与现在分词作状语的区别：过去分词与句子的主语之间存在逻辑上的动宾关系，即表被动；现在分词与句子的主语之间存在逻辑上的主谓关系，即表主动。Asked why he was late，he c

8、ried.被问到他为什么迟到时，他哭了。Looking out of the window，I saw some students playing there.我朝窗外望去，看见几个学生在那边玩耍。【助记】分词作状语记忆口诀分词作状语，主语是问题。逗号前后两动作，共用一主语。主语找出后，再来判关系。主动用v.-ing，被动用v.-ed，having done表先后，千万要牢记。写作专题突破【写作要求】最近你班将举行一场题为Life in the Future的讨论会，请根据以下要点，写一篇120词左右的发言稿。1随着医学的发展，人类的平均寿命将会达到120岁；2由于新能源的出现，污染问题将得到

9、控制；3人们的日常生活也将有很大的变化。如机器人可以为你做家务；椅子的颜色能随着你所穿的衣服而改变；手机可以戴在手腕上，通话时可以看到对方；可以乘坐新型的电梯进入太空度假。【要点词汇】1将来_答案：in the future2与不同_答案：be different from3随着的发展_答案：with the development of4平均_答案：on average5由于_答案：because of6得到控制_答案：under control【句式结构】1由于新能源的出现，污染问题得到控制。Because of the _，the environmental pollution will

10、 be under control.答案：discovery of new energy2椅子的颜色能够随着你所穿的衣服而改变。Your chair will change its color to match _.答案：what youre wearing3手机可以戴在手腕上，通话时可以看到对方。You can also put your mobile phone around your wrist and can see the caller _.答案：while speaking【连句成篇】_【佳作欣赏】In the future，peoples life will be very di

11、fferent from that of today.First，with the development of medicine，on average，a person will live to the age of about 120.Second，because of the discovery of new energy，the environmental pollution will be under control.Third，peoples daily life will change greatly，too.For example，robots will do all your

12、 housework for you；your chair will change its color to match what youre wearing；you can also put your mobile phone around your wrist and can see the caller while speaking；you even can take a new elevator into space for your holidays.【类文点津】发言稿一般要有问题地提出、分析、认识、自己的设想与构思，具体说：1发言稿一般来说，应该开门见山，提出要谈的问题及对问题的看法，然后说明理由，最后照应开头对全文作简明扼要的总结。在发言中对情况的叙述、介绍及自己的体会系统总结，内容完整，不遗漏要点。2一些发言稿内容繁多，直接写出问题或自己的想法可能比较零乱，这时可用序号1、2、3或first、second、third等方式表示，问题讲完，即告结束。3语言直白简洁，在语言的选择上要简短，尽可能使用精炼的语句，一听就明白了，当然也可用一些经典的长句。4观点鲜明、感情真挚，显示着说话者一种理性认识的肯定，也表明对客观事物见解的透辟程度。