YOU SAID:

however, when I try I fail

INTO JAPANESE

しかし、しようと私は失敗します。

BACK INTO ENGLISH

However, going to fail me.

INTO JAPANESE

しかし、私は失敗になります。

BACK INTO ENGLISH

However, I will fail.

INTO JAPANESE

しかし、私は失敗します。

BACK INTO ENGLISH

However, I failed.

INTO JAPANESE

しかし、私は失敗しました。

BACK INTO ENGLISH

However, I failed.