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