A conjunction that connects a dependent or subordinate clause to a principal clause, is called a =subordinating conjunction=; as, James said that he was sick.
A clause that has the function of a noun, an adjective, or an adverb, is called a =subordinate clause=.
A subordinate conjunction is used to join a subordinate clause to a principal clause, thus forming a complex sentence.
That introducing a subordinate clause may be called a substantive conjunction: [I knew that I ought to go].
A clause used as a part of speech is called a subordinate clause.
We have the first degree of coordination when the clause is parallel with the principal clause, and the second degree when the clause is parallel with a subordinate clause.
There are others of the second degree of subordination which depend on a subordinate clause (clause subordinate to a subordinate).
A sentence containing two principal clauses, or a principal clause and a subordinate clause, would contain two complete statements, questions or commands, therefore it would not be a simple sentence, but compound or complex.
A subordinate clause is one that depends upon some word or words in the principal clause.
Now we have a subordinate clause, if we are united, which is used to modify the verb of the main clause, succeed.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "subordinate clause" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.