英语词汇学课程 构词法(I)General introduction Affixation(30%-40%) Compounding(28%- 30%) Conversion (26%) The most productive methods Shortening (8%-10%) Blending 1%-5% clipping acronymy Backformation Sound reduplication4.1 Affixation/derivation Affixation falls into two categories: prefixation and suffixation and the differences between them are just the differences between prefixes and suffixes.Classification of prefixes The major prefixes can be classified into 10 categories by their meaning. n Negative