To form the plural of most English nouns just add –s houses days boats cups books To form the plural of nouns ending in: -ch -s -sh -x -z add –es churches masses brushes faxes waltzes To form the plural of nouns ending in: -f or –fe delete the –f or –fe and add –ves wives fe knives halves fe lives fe leaves f f For some nouns ending in: -f or –fe just add –s belief S chief S café S gulf S roof S To form the plural of nouns ending in a *consonant + -y delete the –y and add –ies *(b f k p t w) not a e i o u spies y libraries y babies y cities y To form the plural of nouns ending in –o add –es mango es tomato es potato es volcanoes For some nouns ending in –o add –s only kilo s piano s radios solos yoyo s Irregular plurals: sheep man men tooth teeth fish deer [No change] women woman child feet children foot CAN YOU SPELL THE PLURAL OF THESE NOUNS? day fax knife library potato woman radio days faxes knives libraries potatoes women radios