YOU SAID:

but I have promises to keep and miles to go before I sleep

INTO JAPANESE

しかし、私は私が眠る前に行かなければならないという約束と約束があります

BACK INTO ENGLISH

But I have promises and promises that I have to go before I go to sleep

INTO JAPANESE

しかし、私は私が寝る前に行かなければならないという約束と約束を持っています

BACK INTO ENGLISH

But I have the promise and promise that I have to go before going to bed

INTO JAPANESE

しかし、私は寝る前に行かなければならないという約束と約束を持っています

BACK INTO ENGLISH

But I have the promise and promise that I have to go before going to bed