Noun Clause:

[vustudents]

The noun clause dose the same work in
a sentence as the noun itself,i.e,it
is the subject or object of a sentence.
What you say wil be used as evidence in the court
Here the clause what you say is
the subject of the sentence.
You will do what he tells you.
Here the clause what he tell you.
What he tells is the objest of the
sentence.