YOU SAID:
この後、買い物に行くんだけど、一緒にいかない？
INTO JAPANESE
この後、買い物に行くんだけど、一緒にいかない？
BACK INTO ENGLISH
I'm going shopping after this, do you want to go with me?
INTO JAPANESE
この後買い物に行きますが、一緒に行きませんか？
BACK INTO ENGLISH
I'm going shopping after this, would you like to go with me?
INTO JAPANESE
この後買い物に行くのですが、一緒に行きませんか？
BACK INTO ENGLISH
I'm going shopping after this, would you like to go with me?
Yes! You've got it man! You've got it
