Образуйте форму множественного числа данных существительных.

Year, territory, day, man, forest, place, foot, century, woman, child, tooth, knowledge, fish, medium, sheep, goose, deer, dish, piano, crisis, diary, news.

Years, territories, days, mans, forests, places, foot (нет мн. ч), centuries, womans, childs, toothes, knowledges, fish, medium, sheeps, gooses, deers, dishes, piano, crisis, diaries, news.