Напишите следующие существительные во множественном числе и прочитайте их:

Pen, window, wall, week, clock, ship, library, watch, dress,
country, glass, day, party, play, bus, leaf, life, colony, hero,
fox, half, Negro, mass, eye, language, place, shelf, key, roof,
thief, ray, bush, mouth, journey.

Man, woman, tooth, foot, goose, child, mouse.

Postman, son-in-law, fisherman, schoolgirl, sister-in-law, text-book,
pocket-knife, passer-by, statesman, editor-in-chief.

Pens, windows, walls, weeks, clocks, ships, libraries, watches, dresses,
countries, glasses, days, parties, plays, buses, leaves, lives, colonies, heroes, foxes, balves, Negroes, masses, eyes, languages, places, shelves, keys, roofs, thieves, rays, bushes, mouths, journeys.

Men, women, teeth, feet, geese, children, mice.

Postmen, sons-in-law, fishermen, schoolgirls, sisters-in-law, text-books, pocketknives, passers-by, statesmen, editors-in-chief.