4. Make the following nouns plural. 1) bag, dog, bird, verb, pan, hen, spoon, noun, room, ring, thing,
evening, song, girl;
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2) tree, pie, cow, fly, lady, baby, teacher, letter, mirror, berry, play,
toy, city, jacket;
3) cake, snake, fork, map, lamp, hat, clock, rat, coat, goat, skirt,
shirt, plant, army;
4) shelf, leaf, knife, wife, roof, chief, handkerchief, wolf, safe,
cliff, thief, life;
5) bus, class, glass, dress, piece, slice, horse, house, rose, nose,
blouse, fox, box;
6) bench, bridge, cage, cottage, bush, radish, page, bush, torch, match;
7) man, woman, child, foot, tooth, goose, mouse, ox, fish, trout,
fruit, swine, mouse, louse, deer, sheep;
8) phenomenon, crisis, stimulus, formula, thesis, criterion, datum.
