关于英语形容词的否定形式
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/08/23 08:31:26
关于英语形容词的否定形式
为什么有些形容词的否定形式是加in,有些加im,有些加dis,还有加un的...这有什么规律吗?
为什么有些形容词的否定形式是加in,有些加im,有些加dis,还有加un的...这有什么规律吗?
1.un-,常接动词、形容词、副词.
如:uncover,uncork,undeniable(无可否认的,确实的),uncommon,unexpectedly
2.in-,常接名词、形容词、副词.
如:inability,incoherent(思想不连贯的),independent,inactively
*以un-开头的单词否定形式,若是形容词,则其名词通常为in-开头.
如:unable→inablity uncivil(不礼貌的)→incivility
3.im-,常接以b、m、p开头的单词.
如:imbalance,impartial(公正的,不偏袒的),impatient,impolite,immobile(不能动的)
4.il-,常接以l开头的单词.
如:illegible(难读的,不清楚的),illiterate(不识字的)
*但不绝对,如disloyal,loyal以l开头,加的是dis-前缀.
5.dis-
如:disadvantage,disagree,disconten(不满意的),discover,dissimilar
6.a-,数量较少.
如:aseptic(无菌的),atheism(无神论)
7.ab-,数量更少.
如:abnormal(不正常的)
练习:你知道下列单词的否定形式吗?
rational perfect logical fold certain convenient effective harmony honest regular sexual sincere responsible modest comfortable mature satisfy appear pure avoidable accurate legal
答案:irrational imperfect illogical unfold uncertain inconvenient ineffective disharmony dishonest irregular asexual insincere irresponsible immodest uncomfortable immature dissatisfy disappear impure unavoidable inaccurate illegal
如:uncover,uncork,undeniable(无可否认的,确实的),uncommon,unexpectedly
2.in-,常接名词、形容词、副词.
如:inability,incoherent(思想不连贯的),independent,inactively
*以un-开头的单词否定形式,若是形容词,则其名词通常为in-开头.
如:unable→inablity uncivil(不礼貌的)→incivility
3.im-,常接以b、m、p开头的单词.
如:imbalance,impartial(公正的,不偏袒的),impatient,impolite,immobile(不能动的)
4.il-,常接以l开头的单词.
如:illegible(难读的,不清楚的),illiterate(不识字的)
*但不绝对,如disloyal,loyal以l开头,加的是dis-前缀.
5.dis-
如:disadvantage,disagree,disconten(不满意的),discover,dissimilar
6.a-,数量较少.
如:aseptic(无菌的),atheism(无神论)
7.ab-,数量更少.
如:abnormal(不正常的)
练习:你知道下列单词的否定形式吗?
rational perfect logical fold certain convenient effective harmony honest regular sexual sincere responsible modest comfortable mature satisfy appear pure avoidable accurate legal
答案:irrational imperfect illogical unfold uncertain inconvenient ineffective disharmony dishonest irregular asexual insincere irresponsible immodest uncomfortable immature dissatisfy disappear impure unavoidable inaccurate illegal