1、后缀没有实在的含义，决定一个词的词性的 放在单词之后，配合词根和前缀组成整个单词,名词后缀 (一般要求 ness tion ment er ee ) (四级要求) -ary, -age, -ance, -ancy, -ant/ent, salary 薪水 （sal=salt-盐,古罗马士兵发盐作为军饷.） secretary, missionary,名词后缀(四级要求) -ary, -ance, -age, -ancy, , Endurance ,acceptance ,importance, diligence, difference, obedience courage, storage,
2、 marriage tendency frequency, urgency, efficiency,动词后缀： -ate, -ify, -ise（-ize）,dictate separate, accelerate copperate decorate,动词后缀： -ate, -ify, -ise（-ize）beautify, purify, intensify, simplifyexemplify modify notify,动词后缀： -ate, -ify, -ise（-ize）advertise modernize memorizeemphasizerecognizesummarize,
3、形容词后缀 一般要求 (able, ous, ful，ive) 四级要求 （-al,ent/ant, -ish）normal natural additional educational formal,四级要求 （-al, ent/ant, -ish）,deficient innocent frequent tolerant ascendant accordant,四级要求 （-al, ent/ant, -ish）,foolish bookish selfish boyish childish,4. 副词后缀 (-ly, -ward, -wise)-ly, possibly, swiftly, simply -ward, -wards, downward, inwards, upward -wise, otherwise, clockwise,
