While on vacation, Bert didn't answer his cell phone.
Sentence type: Complete sentence
Explanation: This is a complete sentence because it has a subject (Bert) and a predicate (didn't answer his cell phone), and expresses a complete thought.
For her birthday, Haley asked her parents for a new puppy because she had wanted one for a long time, they said yes.
Sentence type: Run-on sentence
Explanation: This is a run-on sentence because there are two independent clauses (Haley asked her parents for a new puppy, they said yes) connected by only a comma. It needs a conjunction or a semicolon to separate the two clauses.
When the airline mishandled Samara's bag and sent it to London instead of Sacramento.
Sentence type: Fragment
Explanation: This is a sentence fragment because it is a dependent clause that is missing a subject or a verb to make it a complete sentence. It does not express a complete thought.
Rick needed to file his taxes by the deadline; otherwise he would face a penalty from the IRS.
Sentence type: Complete sentence
Explanation: This is a complete sentence because it has a subject (Rick) and a predicate (needed to file his taxes by the deadline; otherwise he would face a penalty from the IRS), and expresses a complete thought.