4 kinds of nominal clauses.
1 It remains to be seen where the subject clause is.
I don't know if it's right.
3 appositive clauses This is a question of right and wrong.
The question of predicative clause is where it is right or wrong.
Two adjective clauses
She is a student who speaks English very well.
She is that student and speaks English very well.
Eight kinds of three pairs of part-of-speech clauses
1 time adverbial clause The truth will come out when he comes.
You can go anywhere you like.
As you are a student, you should pay more attention to your lessons.
He walks as if he were a king.
She went to Japan in order to learn Japanese well.
She went to Japan, so she learned Japanese well.
I understood when he told me.
Although he is very young, he knows a lot.