YOU SAID:

If was never a question of if he'd be retained, only for how long.

INTO JAPANESE

彼が留まるかどうかという質問が一度もなかったなら、それはどれだけの期間だけでした。

BACK INTO ENGLISH

If he had never been asked if he would stay, it was only for how long.

INTO JAPANESE

彼が滞在するかどうか尋ねられたことがないなら、それはどれだけの期間でした。

BACK INTO ENGLISH

If he had never been asked if to stay, how long was it.

INTO JAPANESE

彼が滞在するかどうか尋ねられたことがないなら、どれくらいの時間でした。

BACK INTO ENGLISH

How long had he been asked if he would stay.

INTO JAPANESE

彼はいつ滞在するか尋ねられました。

BACK INTO ENGLISH

He was asked when to stay.

INTO JAPANESE

彼はいつ滞在するか尋ねられました。

BACK INTO ENGLISH

He was asked when to stay.