高中英语语法 构词法 Word formation课件

Word Formation 构词法 The secret of English words. Learning objectives: 1.观察总结常见的词缀的含义，如：im-；in-；dis-; -less 2根据构词法猜测新单词意思 Before class: Let's read it together loudly When you open a dictionary, you often come across a lot of unfamiliar words. But word formation can help you overcome challenges of memorizing mountainous words.So what have driven development of English so far? Dating back to three invasions into Britain, English brought a lot of words and expressions from Germany and France. As time goes by, English has played a greatly important part in world-wide cultural and economic activities.Most English learners want to better their future life. Abbreviation(缩写) Compounding 合成 bat man Unlock!!! Conversion(转化法) The rain poured down. rain 动词 rain 名词 单词可从一种词性转化为另一种词性。 单词转化前后的意义联系密切。 It rains cats and dogs. Guess the meanings of the underlined words and their part of speech 1.Taylor Swift is her favourite singer. 2.She loves a lot of singers but Taylor Swift is her favourite. n.意为“最喜爱的东西或人” a.意为“最喜爱的” Guess the meanings of the underlined words and their part of speech 3.Tourists must try hot pot when they visit Sichuan. 4.Hot pot is a must for all tourists to taste in Sichuan. n.意为“必须做（买、看）的事” v.意为“必须做” Guess the meanings of the underlined words and their part of speech 5.The child was looking at the chocolate cake with his greedy eyes. 6.The child was eyeing the chocolate cake greedily. v.意为“注视” n.意为“眼睛” Derivation（派生） impossible incorrect unhappy disagree possible correct happy agree negative meaning 否定，不 Important prefixes Do you know what is prefix? prefix(前缀) 一般情况，前缀改词义 Common suffixes (1)teacher (2)education (3)quickly (4)ability (5)artist (6)hopeful (7)dangerous (8)illness (9)mountainous (10)development (11) coldly (1)teacher ;(2)education；(4)ability ；(5)artist ；(8)illness；(10)development； (6)hopeful；(7) dangerous；(9)mountainous (3)quickly ；(11)coldly 名词： 形容词 副词： 把单词的后缀画出来并尝试按词性归类 Do you know what is suffix? suffix(后缀) 一般情况，后