一、 名词
名词变复数情况:
1.一般情况下,直接加-s,
如: book-books, bag-bags, cat-cats, bed-beds
2.以s. x. sh. ch结尾,加-es,
如: bus-buses, box-boxes, brush-brushes, watch-watches
3. 以“辅音字母+y”结尾,变y为i, 再加-es,
如: family-families, strawberry-strawberries
4. 以“f或fe”结尾,变f或fe为v, 再加-es,(但有一个特例:roof→roofs)。
如: knife-knives,leaf-leaves, wife-wives, thief-thieves,wolf-wolves
5.以“o”结尾的单词,如果有生命,加-es;如果没有生命,加-s。
如:
①有生命(英雄芒果土豆西红柿):potato-potatoes, tomato-tomatoes, mango-mangoes
hero-heroes, Negro- Negroes
②没生命:
radio-radios,piano-pianos, photo-photos,zoo-zoos
6.不规则名词的复数变化:
(1)完全不规则:
woman-women, policeman-policemen, policewoman-policewomen
mouse-mice, child-children, foot-feet,tooth-teeth, man-men
(2)单数复数词形相同:
fish-fish, sheep-sheep, deer-deer, people-people
Chinese-Chinese, Japanese-Japanese
二、人/物称代词:
主格 they I you he she itwe
宾格 them me you him her it us
形容词性物主代词 theirmyyour his her itsour
名词词性物主代词 theirs mine yours his hers its ours
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