What are the ways to form the plural of nouns?

1. Generally add s at the end of noun words. e.g. dog-dogs, house-houses

2. Nouns ending in S, SS, SH, CH, and x plus es constitute their plural form. For example: kiss-kisses, ending with o, note the following:

1) Generally add es. at the end of the wordSuch as: finches, tomato-tomatoes, potato-potatoes

2) If it is a loanword or abbreviated noun, add s. e.g. piano-pianos, dynamo-dynamos, photo-photos, kimono-kimonos, biro-biros

3) Some end in O'For nouns, the vowel letter preceded by o is -s. e.g. studio-studios, radio-radios

4) Nouns ending in oo only add s. e.g. zoo-zoos

4. For nouns ending with "consonant letter + y", change y to i first, and then add es. Such as: baby-babies, university-universities, fly-flies, impurity-impurities

5. For the following nouns ending in f or fe, f or fe must be changed to v first, and then es should be added. These nouns are: calf, half, knife, leaf, life, loaf, self, sheaf, shelf, thief, wife, wolf, etc.

Such as: wife-wives, wolf-wolves, calf-calves(Words such as roof are directly added to the s, if it is a junior high school stage, it is enough to master a special word of roofs).

6. For the plural forms of the following nouns such as scarf, wharf, hoof, handkerchief, etc., you can first change f or fe to v, and then add es; It can also be used as a beam to add s directly

i.e. scarfs or scarves, wharfs or wharves, hoofs or hooves, handkerchiefs or handkerchieves.

7. Special changes, specific memories: man-men, womam-women, child-children

8. Singular and plural peers: fish: fish, sheep: sheep, deer: deer, Chinese pure year luck: Chinese, Japanese: japanese.