YOU SAID:

what wosuld so you can walking door with if he said yes would go

INTO JAPANESE

彼が「はい」と言ったら、一緒にドアまで歩いて行けるようにするにはどうすればいいですか？

BACK INTO ENGLISH

If he says yes, how can I walk to the door with him?

INTO JAPANESE

彼が「はい」と言ったら、どうすれば彼と一緒にドアまで歩いていけますか?

BACK INTO ENGLISH

If he says yes, how can I walk with him to the door?

INTO JAPANESE

彼が「はい」と言ったら、どうすれば彼と一緒にドアまで歩いていけますか?

BACK INTO ENGLISH

If he says yes, how can I walk with him to the door?