There is no()who will attend the meetingknowto knowknownknowing

There is no()who will attend the meetingknowto knowknownknowing
There is no()who will attend the meeting
know
to know
known
knowing

There is no()who will attend the meetingknowto knowknownknowing
knowing
there be的否定
There be no+主语
如：There is no smoking here.

填know ,知晓，知情的意思，known和knowing是形容词和分词