Simple
Some students like to study in the mornings.
What is simple?
Because is an example of this.
What is a subordinator?
The students are studying because they have a test tomorrow.
What is complex?
Is the following sentence a compound sentence?
True or False: He went to the store and didn't buy anything.
False
This is required when a complex sentence begins with a subordinator.
What is a comma?
Is the following sentence a complete sentence?
True or False: He went to the store.
True
Write all the seven coordinating conjunctions. (FANBOYS)
Is the following sentence a complex sentence?
True or False: I went to her wedding since she is my cousin.
True