b. un+副词:undoubtedly, unexpectedly, unfortunately, unusually, unhappily, unluckily 由un+形容词构成的词除了unknown, unseen, unfit等词之外,其它词都可变为加-ly的副词(个 别形容词尾需要变动)。
intelligent(intelligence)智力
confident(confidence)
patient(patience)
convenient (convenience)
elegant(elegance)
different(difference)
注意:特殊–ent结尾的形容词→ -ency结尾的名词
(6) disa. dis+名词:dishonour, disease, discomfort b. dis+形容词:dishonest, discouraged c. dis+动词:disappear, dislike, discover, disclose,
disagree, discomfort, dismiss
构 词法
一:构词法分类
1派生词: 词根 (或单词) 附加前缀、后缀构成新词叫派 生词
rich-enrich home-homeless
2 转换法:把一个词由一种词类转用为另一种词类 back n.背- back v.支持 slow adj.慢的-slow v. 减慢
3合成法:由两个或两个以上单词合成一个单词
7)动词/形容词+y →名词
injure-injury discover-discovery
recover-recovery deliver -delivery