A complex sentence is a sentence with an independent clause and at least one dependent clause (subordinating clause). The dependent clause is introduced by either a subordinate conjunction such as although, while or because or a relative pronoun such as who or which. In grammar, an independent clause (or main clause) is a clause that can stand by itself as a grammatically viable simple sentence. ... A dependent clause (or subordinate clause) cannot stand alone as a sentence. ... In grammar, a conjunction is a part of speech that connects two words, phrases, or clauses together. ... A poprelative pronoun is a pronoun that marks a relative clause within a larger sentence. ...
Examples
When I saw what you had done, I was happy.
Independent clause: I was happy.
Dependent clause: When I saw what you had done
those are just some examples
That you love me makes me happy.
A complex sentence with a sub-clause functioning as a subject.
Independent clause: (subject) makes me happy.
Dependent clause: That you love me (acting as the subject)
It makes me happy that you love me.
A clefted complex sentence with a sub-clause indicating what the dummy pronoun "It" refers to.
Independent clause: It makes me happy.
Dependent clause: that you love me
The worksheet is where you have put it.
A complex sentence with a sub-clause functioning as subject complement. "Be" is a copula verb; it links the sub-clause to the subject.
Independent clause: The worksheet is (complement).
Dependent clause: where you have put it (acting as the complement)
"When those fatal words escaped my lips, the halls fell as silent as a midnight snow, and the only sound I could hear was the hammer of my chest." (Permission from copyright)
Independent clause: the only sound I could hear was the hammer in my chest
Dependent clause: When those fatal words escaped my lips, the halls fell as silent as a midnight snow
A cleft sentence is a sentence formed by a main clause and a subordinate clause, which together express a meaning that could be shown using a simple sentence, but focusing on a particular constituent. ... A dummy pronoun (or more formally expletive pronoun or pleonastic pronoun) is a type of pronoun used in non-pro-drop languages, such as English, when a particular argument of a verb (or preposition) is nonexistent, unknown, irrelevant, already understood, or otherwise not to be spoken of directly, but a... It has been suggested that Verbal agreement be merged into this article or section. ...
A simple sentence is a sentence structure that contains one independent clause and no dependent clauses. ... In the English language, a compound sentence is composed of at least two independent clauses, but does not need a dependent clause. ... In syntax, a sentence with at least two independent clauses and one or more dependent clauses is referred to as a complex-compound sentence. ...
Usually, however, the sentence has a subject as well as a predicate and both the subject and the predicate may have modifiers.
The most natural sentence structure is the simple sentence: it is the first kind which children learn to speak, and it remains by far the most common sentence in the spoken language of people of all ages.
A complexsentence is very different from a simple sentence or a compound sentence because it makes clear which ideas are most important.