I bought these diapers for my daughter but never used them. Would you like them?
■キーワード
diaper = オムツ
unused = 未使用
①I have some unused diapers. Would you like them?
→ 未使用のオムツあるけど、欲しい?
②I bought these diapers for my daughter but never used them. Would you like them?
→ このオムツを娘のために買ったけど、結局使わなかった。欲しい?
My daughter doesn't use diapers anymore. Would you use these?
この場合、次のような言い方ができますよ。
ーMy daughter doesn't use diapers anymore. Would you use these?
「うちの娘、もうオムツ使わないから、これ使ってくれる?」
diapers「オムツ」
Would you use these? で「(オムツ)使ってくれる?・(オムツ)よかったら使わない?」という意味です。
ご参考まで!