Unit 2 Exploring English Grammer 构词法课件(24张PPT)

课件24张PPT。 请翻译： Since you are so sensitive to the cold, you'd better put on more clothes when it is getting cold.You must be thought to be illiterate if you haven't heard about Shakespeare.Word formationTeaching aims: 1. To explore some rules of word formation 2. To improve the students' abilities to guess the meanings of the words. 3. To enlarge the students' vocabulary. Word formation种类： 在英语中,词的构成法主要有四种: 合成、转化、派生、缩略一、合成由两个或更多的词合成一个词，有的用连词符号“-”连接，有的直接连写在一起，还有的由分开的两个词构成: 1.合成名词: pain-killer /cowboy/editor-in-chief/ output/outbreak/breakthrough/breakdown/outcome 2. 合成动词: overcome/ uphold /sleepwalk 3. 合成形容词: snow-white / lifelong /well-known newly-built/ time-saving/ man-made/near-sighted/far-sighted/short-sight/widely-accepted/energy-saving/hand-made/home-made/three-legged/ 4.合成副词: everywhere/ however/ beforehand 5.合成代词: everything/ anybody 6.合成介词: into/ within/ inside/ 请同学们翻译下列合成词：（Brainstorm) good-looking/ best-selling/ widely-accepted/ breath-taking/ English-speaking/ mouth-watering/ profit-making/ home-made/ short-sighted/ kind-hearted/ shortcoming/ drawback/ landmark/bedclothes/sunshine/downtown/ teamwork/software/rainfall/waterfall/desktop/laptop/ briefcase/coastline/keyboard/input/output/outbreak/ upbringing/rainbow/guideline/headline/headquarters/ aircraft-carrier/ airline/ weekend/wildlife/sandstorm/ mudslide/database/bookshelf/freeway/expressway/subway/ cocktail/take-away外卖/make-up/butterfly/earthworm/ go-between/whereabouts/ countdown/ breakdown/outcome二、转化: It tastes good. It has a good taste. She is the kind of person who talks about you behind your back. You are not alone, and we are all backing you. He made it clear that he would not give up. He cleared the table by taking away plates. 由一种词性转化为另一种或几种词性. (1)动词 -- 名词(2) 名词 --动词（3）形容词 --动词（4）形容词--名词的转换(意义改变): well (adj)--well (n) fine (adj)--fine (n) patient --patient safe--safe plain --plain content--content concrete --concrete stable--stable relative -- relative fair--fair firm --firm chief --chief 特殊的 as.................................三、派生：1.表示否定意义的前缀dis- dishonest, dislike，disappear, discourage, dissatisfied, disappear, disorder in, im, ir,il, inexperienced, inconvenient, inaccurate, impossible, impatient, improper, impolite, immoral, irregular, irresponsible, illegal, ill-gotten, mis- misunderstand, mislead, misuse, mistrust non- non-profit, non-smoker, non-violence un- unable, uncertain, unimportant, uneasy anti-, ant- antisocial, antifreeze, antishock 由一个词根加上前缀 或后缀构成另外一个词。5) out-, 表示“在上面，在外部，在外” outline, outside, outward 6) over-, 表示“在上面，在外部，向上” overlook, overhead, over-bridge 7)????extra-, 表示“额外” extra-time 8)???? fore- 表示“在前面” forehead, foretell, foresee 9)????in-, im-, 表示“向内，在内，” inland, invade, inside, import2. ... ...