Unit1构词法构词法:合成(Compounding) 派生法(Derivation )转化法(Conversion )合成:有两个或更多的词合成一个词。合成次的构成大致有以下几种情况。1. 合成名词:someone reading-roomspaceship working-peoplemadmanblackboard2. 合成动词:safe-guardhalf-understandwhite-wash捍卫一知半解粉刷3. 合成形容词long-hairfirst-classsnow-whitehand-madefive-year-oldlife-longdark-bluegood-looking长发的一流的雪白的手工的五岁的终身的深蓝的好看的4. 合成副词sometimesalongsidebeforehandnearby有时地并排地事先地附近地派生法(Derivation )- 词缀法1. 加前缀的构词法:Pre- (前)Pre-reading, Preflight, Pre-liberationRe-( 重新) Rewrite, reconsider, reusedis-( 不)