小升初英语语法知识要点之名词的数1
第一部分：规则变化
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构成法 |
读音 |
例词 |
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一般情况(包括以e结尾的名词) |
加-s |
-s在清辅音[p][t][k] [f]后读[s] |
Cups, cats, cakes, roofs, flags, keys, faces |
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在浊辅音和元音后读[z] |
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在辅音[s][z][d ?]后读[iz] |
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口诀：清清浊浊元浊 |
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以s, x, ch, sh结尾 |
加-es |
在[s][z][?][t?]后读[iz] |
Classes, boxes, watches, brushes |
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以辅音+y结尾 |
变y为i，加es |
读[z] |
Cities, countries, studies |
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以元音+y结尾 |
加-s |
读[z] |
Boys, rays, days |
有人还把以下两个加入了名词有规则变复数的行列：
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情况 |
构成法 |
读音 |
例词 |
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以o 结尾 |
加-es |
读[z] |
Heroes, tomatoes, potatoes, Negroes |
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加-s |
读[z] |
Bamboos, radios, zoos, photos, pianos |
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以f, fe结尾 |
变f, fe为v，再加-es |
读[vz] |
Leaf-leaves |
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Life-lives |
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Wife-wives |
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Thief-thieves |
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Half-halves |
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Knife-knives |
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Wolf-wolves |
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Self-selves |
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Loaf-loaves |
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加-s |
读[s] |
Roofs, proofs, chiefs, beliefs, gulfs |
