(I)The Plural of
nouns is generally formed by adding –s to the singular; as,
Boy, boys; girl, girls, book, books;
Pen, pens; desk, desks; cow,
cows.
( ii)But Nouns ending in
–s, -sh, -ch (soft), or –x form the floral by adding –es to the singular; as,
Class, classes; kiss, kisses;
dish, dishes;
Bruch, brushes; match, matches;
watch, watches;
Branch, branches; tax, taxes;
box, boxes.
(iii) Most Nouns ending in –o
also form the plural by adding –es to the singular ; as,
Buffalo, buffaloes; mango,
mangoes; hero, heroes;
Potato, potatoes; cargo, cargoes,
echo, echoes;
Negro, Negroes; volcano,
volcanoes.
(iv) A few nouns ending in –o merely add –s, ; as,
Dynamo, dynamos; solo, solos;
ratio, ratios;
Canto, cantos; memento, mementos;
quarto, quartos;
Piano, pianos; photo; photos;
stereo, stereos.
Kilo, kilos; logo, logos;
commando, commandos
(v) Nouns ending in –y, preceded
by a consonant, form their plural by changing –y into –I and adding –es; as,
Baby, babies; lady, ladies; city
cities; army, armies; story, stories; pony, ponies.
