s (-es)
| + -s | pen pens book books game games | |||||
| -s, -ss, -x, -ch, -sh + -es | bush bushes bus buses watch watches fox foxes | |||||
| + y → ies | baby babies | : : Mary Marys | ||||
| + y → ys | day days | |||||
| + + es | cargo - cargoes | |||||
| + o + s | radio radios | : buffalo buffalos (-es) mosquito mosquitos (-es) volcano volcanos (-es) | ||||
| o + o +s | zoo zoos | |||||
| + s | kilo (kilogram) kilos | |||||
| + s | piano pianos | |||||
| + s | Eskimo - Eskimos | |||||
| f/ fe → ves | leaf leaves | : handkerchief handkerchiefs ( ) roof roofs () belief beliefs () serf serfs () safe safes () cliff cliffs () gulf gulfs () relief reliefs () grief griefs () reef reefs () dwarf dwarfs () chief chiefs () proof proofs () | ||||
| scarf () | à scarfs | hoof () | à hoofs | wharf () | à wharfs | |
| àscarves | àhooves | à wharves | ||||
)
| person -people man men woman women foot feet tooth teeth | goose geese mouse mice louse lice () ox oxen () child children |
b) :
| deer deer sheep sheep swine swine aircraft aircraft | fruit fruit (fruits = kinds of fruits) fish fish (fishes = kinds of fish) salmon salmon () cod cod () |
1) , , : sister-in-law sister s -in-law.
2) , , : schoolboy schoolboys.
3) man, woman, : woman-doctor women-doctors.
4) , : frying pan frying pans;
ticket inspector ticket inspectors.
5) , : runner-up runners-up.
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6) , s : breakthrough breakthroughs.
4. :
) : economics, Mathematics.
b) : athletics, bowls, gymnastics.
c) : billiards, dominoes, darts, draughts.
d) : measles (), mumps (), rickets ().
e) : means (), news, series (), works (), money, hair, information, advice, progress, knowledge, optics, watch, clock.
5. , , , , :
| family, crew, crowd, committee, team, party | |
| ( , , ) | ( ) |
| My family is large. . | My family are early risers. . |
