Noun clause is a clause that fuuction as a noun.
Because the fuction as a noun,noun clause can be used in different position such as :
1. Subject of Sentence.
2. Object of Transitive Verb
3. Object of Preposition
5. Noun in Apposition
1. Noun Clause as Subject of Sentence
example : 1. What you said doesn’t convince me at all.
2. What the salesman has said is untrue.
2. Noun Clause as Obejct of Transitive Verb.
Example : 1. I know what you mean.
2. I don’t understand what he is talking about
3. Noun Clause as Object of Preposition
Example : 1. Please listen to what your teacher is saying
2. Be careful of what you’re doing.
4. Noun Clause as Complement
Example : 1. This is what I want.
2. The good news is that the culprit has been put into the jail.
5. Noun Clause as Noun in Apposition
Example : 1. The idea that people can live without oxygen is unreasonable.
2. The fact that Rudi always comes late doesn’t surprise me.