6. 合成介词
●副词+名词 inside outside
●介词+副词 without within
●副词+介词 into
三. 派生法
由一个词加上前缀或后缀构成一个与原单词意义相近或截然相反的新词叫做派生法。
1. 前缀
除少数前缀外，前缀一般改变单词的意义，但不改变单词的词性。
(1)表示否定意义的前缀
●un- unhappy unfinished undress
●dis- disagree disbelieve
●in- [il-(在字母l前)，im- (在字母m,b,p前)，ir- (在字母r前)] inaccurate illegal impolite imbalance irregular
●mis- misbehave mislead mistake
●non- nonstop nonsmoker
(2)表示其他意义的前缀
●en- “使……”enrich enlarge encourage
●inter- “相互”international intercontinental
●re- “再，又，重”rethink retell recycle
●tele- “远程的”telescope telephone telegraph
●auto- “自动的”automatic automobile
●co- “共同”coworker cooperate coexist
●anti- “反对，抵抗”antiwar antifreeze antinuclear
●multi- “多”multistory multicultural multicolor
●bi- “双，二”bicycle bilingual bilateral
●micro- “极小的，微小的”microwave microcomputer
●over- “太多，过分”overwork overdo overestimate
●self- “自己，本身”self-centered self-confident self-control
●under- “在……下面，……下的，不足的”underline, underground, underestimate, underrate
