合成

由兩個或多個詞合成一個單詞。

news paper newspaper

pick pocket pickpocket

table cloth tablecloth

get together get-together

play ground playground

reading room reading-room

green house green-house

blue eye blue-eyed

轉(zhuǎn)化

一個單詞由一種詞類轉(zhuǎn)化成另一種詞類而詞形不變，但它本身有幾種詞性。

Idreameda terribledream.

To oursurprise she began to sing.

The newssurprise all of us.

Yesterday I wenthome.Then I went to my teather'shome.

派生

派生詞由詞根加上前綴或后綴構(gòu)成。

反義詞前綴：dis-，non-,un-,in-,ir(r)-,im-(m或p)，il-+（l）anti-,mis-,

like dislike

possible impossible

stop nonstop

regular irregular

certain uncertain

legal illegal

justice injustice

fascist antifacist

understand misunderstand

其他常見前綴：inter-，re-,

national international

tell retell

形容詞后綴：-ly，-ful，-y，-less,

day daily friend friendly

harm harmful

health healthy

care careless

副詞后綴：-ly

near nearly

名詞后綴：-er，-ist,-sion,-ness,-ment

teach teacher

tour tourist

discuss discussion

ill illness

move movement

動詞后綴：-ize,-en

real realize

deep deepen