Form the plural of a noun ending in y preceded by a consonant by
1.adding -s
2.adding -es
3.changing the y to i and adding -s
4.changing the y to i and adding -es

Which pair of uses of figurative language from “the caged bird” support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams