YOU SAID:
if someone watchs a TV program with many friends, i dont know what could happen :'v
INTO JAPANESE
誰かが多くの友人とテレビ番組を見ている場合、私は何が起こるか知りません: 'v
BACK INTO ENGLISH
If someone is watching a TV show with many friends, I do not know what will happen: 'v
INTO JAPANESE
誰かが多くの友達とテレビ番組を見ているなら、私は何が起こるか分からない: 'v
BACK INTO ENGLISH
If someone is watching a TV show with many friends, I do not know what will happen: 'v
You've done this before, haven't you.