YOU SAID:

if trees are green in spring why aren't they purple in autumn

INTO JAPANESE

木が春に緑であるならば、なぜ彼らは秋に紫色ではないですか

BACK INTO ENGLISH

If the trees are green in spring, why are they not purple in autumn

INTO JAPANESE

木が春に緑であるならば、なぜ彼らは秋に紫色ではないですか

BACK INTO ENGLISH

If the trees are green in spring, why are they not purple in autumn