YOU SAID:

when they president, I see

INTO JAPANESE

彼らが大統領になるとき、私は見ます

BACK INTO ENGLISH

I see when they become president

INTO JAPANESE

彼らが大統領になったらわかる

BACK INTO ENGLISH

We'll know when they become president

INTO JAPANESE

彼らが大統領になったら分かるだろう

BACK INTO ENGLISH

We'll know when they become president