YOU SAID:

But I'm not sure if you are looking for a while.

INTO JAPANESE

だが しばらくお探しかどうかわかりません。

BACK INTO ENGLISH

But I don't know if you're looking for it for a while.

INTO JAPANESE

だが しばらく探しているのかわかりません。

BACK INTO ENGLISH

But I don't know if I've been looking for it for a while.

INTO JAPANESE

だが しばらく探していたのかわかりません。

BACK INTO ENGLISH

But I don't know if I've been looking for it for a while.