構(gòu)詞法

前綴：通常改變?cè)~義 后綴：通常改變?cè)~性

a- : amoral 不道德的 apathy 無(wú)情

dis: dishonest, disappear, disloyal, disorder

in/ir/ il/im: incorrect injustice impossible illegal irregular

non: non-scientist non-smoker non-stop un: unhappy, unreal, unofficial, unfair

3）貶義前綴 mal-, mis-, pseudo-(偽…,假…) maltreat，malfunction 機(jī)能失常，malnutrition mislead, misinform, misfortune

pseudoscientific, pseudo-realism

well: well-known, well-informed

5) 表示態(tài)度或傾向的前綴

anti-(反對(duì)，防止)：antiwar, antiaircraft防空襲的 contra-(反對(duì)，相反)：contradict, contra-dance counter-(反對(duì)，相反)：counteraction反作用 pro-(親，贊成)：pro-American, pro-slavery

6) 表示時(shí)間或順序

ex-表示前任的，從前的：ex-wife, ex-president fore-前，先：forefather, forethought深謀遠(yuǎn)慮 post-后的：post-war, postgraduate

pre-前的：pre-war, premature

re-再：remarriage, reconsider

7) 表示地點(diǎn)的前綴

extra-以外的：extra-official, extralegal。