词性转换类型有:
(1)v.-n.动词转化为名词,
post-postage mail-mail
weigh-weight advise-advice
(2)v.-n.-a.动词转化成名词-形容词
act-actor / actress-active
change-change-changeable
(3) v.-a.-ad.-n.动词转化成形容词,副词,名词
fill-full
need-necessary-necessarily
interest(v. / n.) interested /interesting
(4)n. a. n. a.名词转化为形容词
person personal ( 个人的; 私人的 )
fun funny
(5)n. pl. n. pl.名词转化为名词复数
gentleman gentlemen human humans
(6)a. ad. a. ad.形容词转化为副词
possible possibly probable probably
(7)a. ad. n.形容词转化为副词,名词
true truly truth
lucky luckily luck
(8)原级 比较级 最高级
far farther / further farthest / furthest
little less least
更详细的看看这网址里的吧,有很多词的转化和分类:
http://cache.baidu.com/c?word=%B4%CA%D0%D4%3B%D7%AA%BB%BB&url=http%3A//mh3z%2Eedu%2Esh%2Ecn/jsupload/kejian/20051026135411%2Edoc&b=0&a=41&user=baidu
英语中词汇变换方式很多,有一大批更是毫无规律可寻,只有踏踏实实地做题记忆才是硬道理