YOU SAID:
If you build it, he will come.
INTO JAPANESE
あなたがそれを作るなら、彼は来るでしょう。
BACK INTO ENGLISH
If you make it, he will come.
INTO JAPANESE
もしあなたがそれを作るなら、彼は来るでしょう。
BACK INTO ENGLISH
If you make it, he will come.
That didn't even make that much sense in English.