They are only partially similar.
A sentence is complete in itself, a clause - whether a main clause or a subordinate clause - may not be complete.
A dependent clause is similar to a sentence because they are both made of words. And the difference: The Dependent Clause is unfinished while a sentence is.
A simple sentence is a sentence with one clause expressing a single thought. This sentence is a simple sentence. This sentence, though similar to the first, is not a simple sentence.
A complex sentence is a sentence that contains an independent clause and at least one dependent clause. The independent clause can stand alone as a complete sentence, while the dependent clause relies on the independent clause to make sense.
It have 2 clauses in Complex sentence. It is Dependent clause and Independent clause
A sentence with an adverb or adjective clause is a complex sentence, because an adjective clause is a subordinate clause. A complex sentence must contain one independent clause plus one or more subordinate clauses.
A sentence with an adverb or adjective clause is a complex sentence, because an adjective clause is a subordinate clause. A complex sentence must contain one independent clause plus one or more subordinate clauses.
The main clause or the principal clause in a complex sentence; is a key sentence.
That would be a complex sentence.
A clause can not stand alone in a sentence, whereas an independent clause can stand alone in a sentence.
A complex sentence is a sentence consisting of an independent clause and a subordinating clause.
A complex sentence is a sentence that contains an independent clause and one or more dependent clauses. The independent clause can stand alone as a complete sentence, while the dependent clause(s) rely on the independent clause for meaning.
You make a complex sentence when you have both a dependent clause along with an independent clause.