YOU SAID:
Hey, so I gotta question Do you wanna have a slumber party in my basement?
INTO JAPANESE
ねえ、私は質問しなければならないあなたは私の地下室でパジャマパーティーをしたいですか?
BACK INTO ENGLISH
Hey, I have to ask you do you want a pajamas party in my basement?
INTO JAPANESE
ねえ、私の地下でパジャマパーティーをしたいですか?
BACK INTO ENGLISH
Hey, do you want to have a pajamas party in my basement?
INTO JAPANESE
ねえ、私の地下でパジャマパーティーをしたいですか?
BACK INTO ENGLISH
Hey, do you want to have a pajamas party in my basement?
That didn't even make that much sense in English.