Read the following sentence to determine it's form.
Kalin had been practicing his skateboarding trucks for ten months although he fell during the competition.
A. Compound sentence
B. Simple sentence
C. Run-on sentence
D. Complex sentence
D. Complex sentence
The given sentence is a complex sentence.
To determine the form of the sentence, it's important to understand the characteristics of different sentence types.
A. A compound sentence is made up of two or more independent clauses joined by a coordinating conjunction (such as "and," "but," or "or") or a semicolon. In the given sentence, there is only one independent clause, so it is not a compound sentence.
B. A simple sentence consists of a subject and a predicate (verb), expressing a complete thought. The given sentence has a subject ("Kalin") and a predicate ("had been practicing his skateboarding tricks for ten months"), making it a simple sentence.
C. A run-on sentence occurs when two or more independent clauses are incorrectly joined together without appropriate punctuation or conjunctions. In the given sentence, there is only one independent clause and proper punctuation marks, so it is not a run-on sentence.
D. A complex sentence contains an independent clause and at least one dependent clause, connected by subordinating conjunctions (such as "because," "although," or "while"). In the given sentence, there is an independent clause ("Kalin had been practicing his skateboarding tricks for ten months") and a dependent clause ("although he fell during the competition"). Therefore, the given sentence is a complex sentence.
So, the correct answer is D. Complex sentence.