Слайд 17
Plurals
Spelling Rules
To form plural nouns we usually add -s to
the noun.
one pen - two pens
Nouns ending in -s, -ss, -ch, -x or -o take -es in the plural.
bus - buses, glass - glasses, brush - brushes, watch - watches, fox - foxes, tomato - tomatoes
However, some nouns ending in - o take only –s .
radio - radios, piano - pianos, studio - studios , video - videos kilo - kilos
Nouns ending in a vowel + y take -s in the plural.
boy - boys
Nouns ending in a consonant + y drop the -y and take -ies in the plural.
party - parties , baby - babies
Most nouns ending in -f or -fe, drop the -f or -fe and take -ves in the plural.
knife - knives , wolf - wolves
However, some nouns ending in -f or -fe take only -s.
roof - roofs, cliff - cliffs, giraffe - giraffes