YOU SAID:
they wont join the team anymore?
INTO JAPANESE
彼らはもうチームに参加しませんか?
BACK INTO ENGLISH
Will not they join the team already?
INTO JAPANESE
彼らはもうチームに加わりませんか?
BACK INTO ENGLISH
Will they join the team already?
INTO JAPANESE
彼らはすでにチームに参加しますか?
BACK INTO ENGLISH
Do they already join the team?
INTO JAPANESE
彼らはすでにチームに参加していますか?
BACK INTO ENGLISH
Have they already joined the team?
INTO JAPANESE
彼らはすでにチームに加わっていますか?
BACK INTO ENGLISH
Have they already joined the team?
You've done this before, haven't you.