Singular and Plural Nouns The plural form of mouse is mices mouses mice The singular form of wives is wif wife wive The plural form of knife is knifs knives knifes The singular form of parties is partie party parti The plural form of child is children childs childes The singular form of feet is fee fet foot The plural form of sheep is sheepes sheep sheeps The singular form of people is person persons people The plural form of tooth is teeth toothes tooths The singular form of leaves is leave leav leaf The plural form of fish is fishs fish fishes The singular form of women is woma woman wome The plural form of man is men manes mans The singular form of shelves is shelv shelve shelf The plural form of baby is babies babyes babys The singular form of potatoes is potatoe potato potatos