词类转换（6）

Nat

7、动词与形容词的转换

（1）结尾加able
例：suit->suitable ；comfort->comfortable ；reason->reasonable
　　enjoy->enjoyable
注意：admire->admirable ；rely->reliable
（2）结尾加ive
例：act->active ；attract->attractive ；impress->impressive
　　create->creative

8、表示否定的前缀与后缀

（1） 前缀dis-
例：like->dislike ；comnect->disconnect ；agree->disagree
　　appear->disappear ；advantage->disadvantage ；ability->disability
       cover->discover ；obey->disobey

（2）前缀un-
例：able->unable ；employment->umemployment ；load->unload
　　fair->unfair ；happy->unhoppy ；known->unknown
　　lucky->unlucky ；healthy->unhealthy ；comfortable->uncomfortabe

（3） 前缀in-，前缀im-，前缀il-,前缀ir-
例：capable->incapable ；correct->incorrect ；convenient->inconvenient
      expensive->imexpensive ；possible->impossible ；moral->immoral
　　legal->illegal ；logical->illogical ；regular->irregular
　　relative->irrelatire

（4）前缀non-
例：non-smoker ；non-stop ；non-violent
　　non-white ；non-sense；non-member
　　non-party ；