English Plurals: -en and UnchangedOnline version Plurals: -en endings and unchanged forms. by Arnab Biswas 1 What is the plural of 'ox'? a oxs b oxes c oxen d oxens 2 Which noun forms its plural by adding -en? a ox b goose c deer d sheep 3 Which word has the same singular and plural form? a sheep b deer c ox d goose 4 Which animal's plural is the same as its singular: 'moose'? a fish b moose c sheep d deer 5 What is the plural of 'deer'? a deares b deer c deers d deers 6 Which word's plural is the same as its singular for a sequence or set of items? a species b moose c oxen d series 7 Which word's plural is the same as its singular for animals commonly seen? a goose b ox c fish d deer 8 What is the plural of 'species' in standard usage? a specieses b species c speci d specie 9 Which word remains unchanged in plural and is often used to count many sets, like TV episodes? a ox b series c deer d goose 10 Which noun remains unchanged in plural and is a common animal name? a goose b deer c ox d fish