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1、英语中最基本的构词法有三种：转化、合成和派生。 转化：单词拼写不变，词性变化。如doubt，face等。 合成：由两词或多词合成另一个单词。如classroom，shopkeeper等。 派生：通过在一个词的词前加前缀或在一个词的词尾加后缀构成另一个单词。如impossible，helpful，highly等。 本单元主要讲解转化与派生的有关内容。,Period Three Grammar & Writing,一、转化法 定义：不添加任何成分，不改变词形，把一个单词由一种词性转化为另一种词性的方法。常见转化如下： 1名词动词 (1)许多表示事物的名词可以用作动词来表示动作。 This hall
2、 can seat two thousand people. 这个大厅能容纳两千人。 (2)一些表示身体部位的名词可用作动词。 Hand in your papers please. 请把你们的试卷交上来。,(3)一些表示某类人的名词可用作动词。 He soldiered in America in his youth. 他年轻时在美国当过兵。 (4)一些抽象名词可用作动词。 More than 1，000 workers stormed into the senate building. 一千多名工人冲进了参议院大楼。 2形容词动词 correct(正确的)correct(改正) 3动词名词
3、 feed(喂)feed(一顿，一餐) 4形容词名词 native(本地的)native(本地人),5副词形容词 enough(足够地)enough(足够的) 二、派生法 1在一个词的词根(root)前面或后面加上某个词缀来产生新词，这种构词法称为派生法(derivation)。加在前面的词缀叫前缀(prefix)，加在后面的词缀叫后缀(suffix)。,2. 本模块主要讲后缀，常见后缀分类如下：,即时跟踪 用所给词的正确形式填空 1Now_ (pollute)is becoming more and more serious. 2On his _(arrive)，Ill give him t
4、he letter. 3They were _(success)in winning the contract. 4All of us should take part in the _(active) 5Their _(marry)is happy. 6His _is hurting badly now. I was _for the post office when I met him.(head) 7I _about his feelings. He takes good _of his son.(care),pollution,arrival,successful,activity,m
5、arriage,head,heading,care,care,8My daughter always does her homework carefully and she makes _ (few)mistakes than the other students in her class. 9The policeman _ the young man at that moment. I have a lot of _ to ask.(question) 10How _he is！He is always acting _He is really a _(fool) 11It is belie
6、ved that if a book is _it will surely _the readers.(interest),fewer,was questioning,questions,foolish,foolishly,fool,interesting,interest,12Volunteering is becoming _(increase) popular in China. Yeah，people are now aware that helping others is helping themselves.,increasingly,.用所给词的正确形式填空 1The title
7、 will be _(official)given to me at a ceremony in London. (2016全国) 2Some people think that the great Chinese scholar Confucius influenced the _ (develop)of chopsticks. (2016全国) 3Abercrombie & Kent，a travel company in Hong Kong，says it _(regular)arranges quick getaways here for people living in Shangh
8、ai and Hong Kong. (2015全国),officially,development,regularly,4In addition to their simple beauty，what makes the adobe dwellings(土坯房)admirable is their _ (able) to “air condition” a house without using electric equipment. (2015全国) 5As _(nature)architects，the Pueblo Indians figured out exactly how thic
9、k the adobe walls needed to be to make the cycle work on most days. (2015全国) 6. _(lucky)，he also had a cow which produced milk every day. (2015广东) 7I cannot control my body well.My legs become_ (pain). (2014辽宁),ability,natural,Luckily,painful,8The river was so polluted that it _(actual)caught fire a
10、nd burned. (2014新课标全国) 9While there are _ (amaze)stories of instant transformation，for most of us the changes are gradual and require a lot of effort and work，like cleaning up a polluted river.Just be _ (patience) (2014新课标全国) 10Finally，that hard work paid off and now the water in the river is _ (cle
11、an)than ever. (2014新课标全国),actually,amazing,patient,cleaner,.单句改错(每小题仅有1处错误),honesty,steadily,free,serious,terribly,easily,tasty,helpful,noisy,calm,本文是人物传记，属于记叙文体。人物传记主要写名人或伟人的生平事迹。因此要抓住人物的出生年月、主要经历、主要事迹、成就等，同时要写出人们的评价以及从他的生活经历中得到的启示等。 传记的人称一般采用第三人称；时态上如果是描写人物的外貌、性格、兴趣等常用一般现在时，而描写人物的出生、教育背景、经历、事迹等常用一
12、般过去时。,【文体指导】,【常用句式】 1He/She was born in/on.他/她出生于 2At the age of.，he/she.当他/她岁时， 3He/She set a good example for us to follow.他/她为我们树立了好的榜样。 4He/She developed an interest in.when he/she was.years old.当他/她在岁时，开始对感兴趣。 5He/She devoted himself/herself to.他/她致力于 6He/She made great contributions to.他/她为做出了
13、巨大的贡献。,7He/She is considered as a pioneer in the field of.他/她被认为是领域的先驱。 8He/She is thought highly of by people.他/她受到人们的高度赞扬。,【写作任务】 刘翔，作为前奥运会110米跨栏冠军，世界纪录保持者，因伤退出北京奥运会，留下遗憾，尽管如此，刘翔克服重重压力复出，夺得2010年广州亚运会冠军。请根据下面的介绍写一篇短文。,注意：1.词数100左右； 2内容充实，结构完整，语意连贯； 3书写须清晰、工整。,【审题谋篇】 第一步 明确要求 本文是人物传记，属于_文体。时态主要用_ _
14、，人称用_。 第二步 确定段落 Para 1: _ Para 2: _ Para 3: _ 第三步 词汇热身 1出生于_ 2成为中国第一人_,记叙,一般过去,时,第三人称,介绍刘翔的基本情况,介绍刘翔的主要事迹,刘翔带给我们的启示,be born in/on,become the first Chinese man,3创世界纪录_ 4克服压力_ 5致力于，献身于_ 6为树立榜样_ 第四步 句式升级 1刘翔于1983年7月13日出生在上海，是世界著名跨栏运动员。 (一般表达)Liu Xiang was born on July 13，1983 in Shanghai. He is a wellknown athlete in hurdle race in the world.(分词作定语),set a world record,overcome the pressure,devote oneself to,set a good example for,(句式升级1)Liu Xiang， _，is a wellknown athlete in hurdle race in the world. (句式升级2)Liu Xiang _
