I don't like Mondays anymore now that I don't have school.
Mondays aren't my favourite day anymore because I no longer have the English class I used to love so much.
この場合、次のような言い方ができますよ。
ーI don't like Mondays anymore now that I don't have school.
「学校がないからもう月曜が好きではない」
ーMondays aren't my favourite day anymore because I no longer have the English class I used to love so much.
「大好きだった英語のクラスがもうないから、月曜はお気に入りの日でなくなった」
ご参考まで!