YOU SAID:

I regret failing the test, but I may have done alright.

INTO JAPANESE

テストに失敗したことを後悔していますが、大丈夫だったかもしれません。

BACK INTO ENGLISH

I regret failing the test, but it could have been okay.

INTO JAPANESE

テストに失敗したことは残念ですが、大丈夫だったかもしれません。

BACK INTO ENGLISH

It's a shame that the test failed, but it could have been fine.

INTO JAPANESE

テストに失敗したのは残念ですが、大丈夫だったかもしれません。

BACK INTO ENGLISH

It's a shame it failed the test, but it could have been fine.

INTO JAPANESE

テストに失敗したのは残念ですが、大丈夫だったかもしれません。

BACK INTO ENGLISH

It's a shame it failed the test, but it could have been fine.