YOU SAID:

what would you do if when he said yes would go so let on

INTO JAPANESE

もし彼が「はい、行くよ」と言ったらどうしますか？

BACK INTO ENGLISH

What if he says, "Yes, I'll go"?

INTO JAPANESE

もし彼が「はい、行きます」と言ったらどうしますか？

BACK INTO ENGLISH

What if he says, "Yes, I'll go"?