推荐回答(4个)
英语名词的单复数是不同的,单数就是一个物品。英语的表达手法跟中文不一样,英语复数就是英语名词的复数形式,表示两个或两个以上的物品,如两朵花,two flowers ,如果实在不能理解就理解成中文的“ 们”。规则的变化时名词后面加上“s”或者“es”。还有不规则变化。1.不规则复数形式 child---children foot---feet tooth---teeth goose---geese
man---men woman---women mouse---mice louse---lice
ox---oxen penny---pence analysis---analyses appendix---appendices
parenthesis---parentheses basis---bases ellipsis---ellipses
axis---axes hypothesis---hypotheses oasis---oases crisis----crises
criterion---criteria phenomenon---phenomena datum---data medium---media
bacterium---bacteria nucleus---nuclei fungus---fungi stimulus---stimuli
alumnus---alumni focus---foci radius---radii terminus---termini
larva---larvae alga---algae formula---formulae
词尾读音为[f]并以-f或0-fe结尾的名词复数形式有以下几种情况:
a)规则形式:
belief---beliefs chief----chiefs cliff----cliffs grief----griefs
b)不规则形式,即把-f或-fe变成-v,再加-es,读音为[vz]:
calf---calves half---halves leaf----leaves life----lives
loaf---loaves self---shelves thief---thieves wife---wives
wolf---wolves
c)既可是规则形式又可是不规则形式:
dwarf---dwarfs/dwarves hoof---hoofs/hoves
scarf---scarfs/scarves wharf---wharfs/wharves
词干以-o结尾的名次有三种情况:
a)附属形式为-s:这类词包括缩略词kilos,photos;表示国籍或民族的词Filipinos,Eskimos以及radios,solos,sopranos,
studios
b)复数形式为-es,如:heroes,potatoes,tomatoes,Negroes。
c)复数有规则的和不规则的两种形式,如:
cargo---cargos/cargoes mosquito---mosquitos/mosquitoes volcano---volacbos/volcanoes
2.单复数同形的名词
1)某些动物名词,如:deer,grouse,salmon,trout,carp,bison,sheep等
2)以-ese或-ss结尾的表示民族或国籍的名词,如:Chinses,Japanese,Portuguese,Swiss,Vietnamese等
3)某些以-s结尾的名词,如:barracks,corps,crossroads,gallows,headquarters,means,series,species,works等
4)某些表示计量单位的名词,如:horsepower,hertz,kilohertz,li,mu等
其他一些名词,如:aircraft,spacercarft,craft,offspring等。其中请特别注意-s结尾的单复数同形的名词,它们是考试的重点!!
3.不可数名词
不可数名词前一般不需要加定冠词,永远不能加不定冠词!
例如下列用法均属错误:
the mathematics the banking a cloth an equipment
不可数名词作主语,谓语要用单数形式。
如:Water is important.
但如果不可数名词前面被piece,drop,set等词修饰时,谓语应该与piece,drop,set等的单复数形式保持一致
例如:Few drops of water are needed to save the flower.
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