YOU SAID:

After all, he could have vetoed my suggestion for this at any time.

INTO JAPANESE

結局のところ、彼はいつでもこれに対する私の提案を拒否した可能性があります。

BACK INTO ENGLISH

After all, he may have refused my suggestion for this at any time.

INTO JAPANESE

結局のところ、彼はいつでもこれに対する私の提案を拒否したかもしれません。

BACK INTO ENGLISH

After all, he may have refused my suggestion for this at any time.