1) 名字变复词2) 变成过去式3) 变比较级,4) 动词,变动词ing这几种变形的规则!
1)以-d或-de结尾的动词,在对应的名词和形容词中,d通常变成s,如 provide→provision, decide→decision / decisive,collide→collision,invade→invasion / invasive,ascend→ascension,等等。其中以-end结尾的动词,往往有-ent结尾的名词与之对应。如extend→extent,descend→descent,等等。 2)以-ate、-ete、-ite、-ute结尾的动词,对应的名词往往以-tion结尾,如activation、competition、expedition、institution,等等。 3)以-l和-r结尾的动词,对应的名词往往以-ance或-ence结尾,如excellence、vigilance、occurrence、conference等等。 4)一些常见的对应后缀:
a)–acious→–acity:如sagacious→sagacity
b)–ate(形容词)→–acy:如accurate→accuracy
c)–al(形容词)→-ality:如mental→mentality
d)–ance、-ancy、-ence、-ency→-ant、-ent:如excellence→excellent
e)-cracy→-crat→-cratic:如democracy→democrat→democratic
f)–fy→–faction:如satisfy→satifaction
g) -graphy→-graphic→-grapher:如geography→geographic→geographer
h)-ify→-ification:如certify→certification
i)–ic→-icity:如specific→specificity
j)-ical→-icality:如logical→logicality
k)–logy→-logical→-loger、-logist、-logian:对比 astrology(astrological,astrologer)/ geology(geological、geologist) / theology(theological、theologian)。
l)-nomy→-nomic→-nomer:如astronomy→astronomic→astronomer
m)–ise、-ize→-isation、-ization:如improvise→improvisation j)–ise、-ize→-isation、-ization:如improvise→improvisation
a)–acious→–acity:如sagacious→sagacity
b)–ate(形容词)→–acy:如accurate→accuracy
c)–al(形容词)→-ality:如mental→mentality
d)–ance、-ancy、-ence、-ency→-ant、-ent:如excellence→excellent
e)-cracy→-crat→-cratic:如democracy→democrat→democratic
f)–fy→–faction:如satisfy→satifaction
g) -graphy→-graphic→-grapher:如geography→geographic→geographer
h)-ify→-ification:如certify→certification
i)–ic→-icity:如specific→specificity
j)-ical→-icality:如logical→logicality
k)–logy→-logical→-loger、-logist、-logian:对比 astrology(astrological,astrologer)/ geology(geological、geologist) / theology(theological、theologian)。
l)-nomy→-nomic→-nomer:如astronomy→astronomic→astronomer
m)–ise、-ize→-isation、-ization:如improvise→improvisation j)–ise、-ize→-isation、-ization:如improvise→improvisation
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