YOU SAID:

i would make a great banker if i just tried in school

INTO JAPANESE

私が学校で試しただけなら、私は素晴らしい銀行家になるだろう

BACK INTO ENGLISH

If I had just tried it at school, I'd be a great banker.

INTO JAPANESE

学校で試していたら、私は素晴らしい銀行家になっていたでしょう。

BACK INTO ENGLISH

If I had tried it at school, I would have been a great banker.

INTO JAPANESE

もし私が学校でそれを試していたら、私は素晴らしい銀行家になっていただろう。

BACK INTO ENGLISH

If I had tried it at school, I would have been a great banker.