高中英语必修四教案

1、本文格式为Word版，下载可任意编辑 高中英语必修四教案 学科 英语 年级/册 B4Unit5 高二年级 教材版本 人教版 课题名称 Uuit5 Theme Parks 难点名称 Word formation 难点分析 从学识角度分析为什么难 构词法一般分为三类;合成法、派生法、转化法。 合成法是将两个或两个以上的单词合在一起而构成的新词组成一个新的单词； 表达方式常见的有1.直接写在一起，2.用连字符（-连接），3.由两个分开的词构成。 派生法：在词根上加前缀或后缀构成另一个与原意略有变化或截然相反的词，前缀有表示否决意义的，如un/in/im-等等。后缀通常变更词性，构成意思相近的其它词性

2、的词。 转化法由一种词性转化为另一种词性的词类。 从学生角度分析为什么难 针对种类多样，形式多变的构词法，学生需要掌管确定的方法，也需要确定的归纳总结才能，同时也需要积累总结并记忆确定的词汇，但学生在平日积累较少，缺乏确定的归纳总结才能，所以造成了对构词法没有掌管。 难点教学方法 任务型教学法，议论法。 教学环节 教学过程 导入 I.Lead in Teacher asks students to read the following sentences and pay attention to the underlined words. 1.Yet, shopkeepers may have

3、 to spend extra hours to deal with problems, such as shoplifters, who always take away things from the shop without paying for them What does the word “shoplifter” mean? shop+lifter shoplifter n.商店小偷/扒手 2.In recent centuries,trade,industrialization, the development of the nation-state and the spread

4、 of universal compulsory education, especially globalization and better communications in the past few decades. -zation为动词构成名词的后缀, 意为“化”, 因此, 可推测industrialization为“工业化”之意, 而globalization的含义为全球化. 3. He is a man with broad shoulders. n. We will shoulder the responsibilities at any time. V.take/bear 学识

5、讲解 （难点突破） II Presentation -Word formation i.合成法(Compounding) Space+ship spaceship 构词法 ii.派生法（Derivation） able unable，teachteacher iii.转化法（Conversion） visit.v.visit.n i.合成法(Compounding) 把两个或两个以上独立的词合成一个新词。 highway,warm-hearted,waiting-room ii.派生法（Derivation） 由词根(root)加前缀（prefix）或后缀（suffix）构成新词。 否决前缀

6、iii.转化法（Conversion） Please stop here，and it is the bus stop. III.Practice (1)Overwork may cause diseases. (2) There was a dissatisfied look in the managers eyes. （3）For them, playing well and winning are often life-and-death affairs. （4）Down-to-earth spirit is a necessity. Sharp words from a teacher

7、 can usually bring a day-dreaming student down-to-earth. （5）Her name was Rachel, and I mooned my way through the grade and high school, stricken at the mere sight of her, tongue-tied in her presence. At any rate, my love for Rachel remained without result. We graduated from high school, she went on

8、to college, and I joined the Army. I was sent overseas during the war. For a time we wrote, and her letters were the highlight of those terrible endless years. （6）Never trouble trouble until trouble troubles you. (trouble 词性与意义？) （7）A silence in a conversation may also show uneasiness . (8).Car rent

9、als are becoming more and more popular as an inexpensive way of taking to the road. (9)In recent centuries,trade,industrialization, the development of the nation-state and the spread of universal compulsory education, especially globalization and better communications in the past few decades, all ha

10、ve caused many languages to disappear, and dominant languages such as English, Spanish and Chinese are increasingly taking over. (10) Impressionism is a form of art which began in the 1870s. When you look closely at an impressionist painting, you see little dots of different colored paints. 课堂练习 （难点

11、稳定） 表示时间的前缀 Re- 表示再一次，重新。 renew，reborn，rebuild，retell. Fore- 表示时间或位置的“在前面 ”。 foresee，forecast，foretell。 Pre- 表示在前、事先、预先。 preview，prehistory, prepay. Post- 表示时间和依次的“在后边”。 post-war,post-graduate. 表示人和名词后缀-er/or/eer/ician/ist. 从事.职业的人，做.的人，teacher,worker,writer.visitor,educator,translator. engineer,volunteer,physician,musician,politician.artist,scientist. 形容词后缀 -able. 可/能.的。 horrible，valuable. -al. 有.性质的。natural，actual. -ant/-ent. .的。 important， pleasant， excellent.