不改变词类;后缀一般只改变 词类,不引起词义变化
happy --- _u_n_happy
▪ 加后缀:
develop --- develop_m_e_n__t__
▪ 既加前缀又加后缀:
employ ---__u_n_employ_m_e__n_t__
Derivation: 1) 前缀:
(1) dis-: disagree, dislike, disappear
-ment, -ion, -ness, -tion, -ful, -
able, -less, -en等
sharpen a pencil
sharp adj.
sharpen v.
strength
_s_t__r_e__n__g__t_h__e__n__
bright
b___r_i_g__h__t_e__n_
hand
n.手 v.递送
We always walk hand in hand. Please hand me the book.
adj.错误的 There is something wrong with
wrong
the car.
n.错的事 He didn’t know the differe法及其规律, 其 次要掌握一定的词根和词缀。如:un-, im-, mis-, -less, -ness等。
派生法(Derivation)
able unable; teach teacher
构词法
合成法(Compounding)
space+ship spaceship
合成词 Compound
pain-killer
+
=
color- blind