YOU SAID:

They face challenges that are never done

INTO JAPANESE

彼らは決して成し遂げられない課題に直面する

BACK INTO ENGLISH

They face challenges that can never be achieved

INTO JAPANESE

彼らは決して達成できない課題に直面している

BACK INTO ENGLISH

They are faced with a challenge that can never be achieved

INTO JAPANESE

彼らは決して達成できない課題に直面しています

BACK INTO ENGLISH

They are faced with a challenge that can never be achieved