1. Simple Sentences independent clause contains a subject & verb
expresses a complete thought
Examples:
A. Some students like to study in the mornings.
B. Juan and Arturo play football every afternoon.
C. Alicia goes to the library and studies every day.

2. Compound Sentences 2 independent clauses joined by a coordinator
Coordinators are for, and, not, but, or, yet and so (FANBOYS)
Subject, verb, coordinator
Examples:
A.  I tried to speak Spanish, and my friend tried to speak English.  B.  Alejandro played football, so Maria went shopping.  C.  Alejandro played football, for Maria went shopping.

3. Complex Sentences
Independent clause joined by one or more dependent clauses
Always has subordinators—when, because, since, after, although OR a relative pronoun—that, who, which
Subject, verb, subordinators
Examples:
A. When he handed in his homework, he forgot to give the teacher the last page.  B. The teacher returned the homework after she noticed the error.  C. The students are studying because they have a test tomorrow. D. After they finished studying, Juan and Maria went to the movies.  E. Juan and Maria went to the movies after they finished studying.

4. Run-On Sentences
two or more independent clauses are joined without punctuation or a conjunction
Examples:
Carmen loved traveling in Italy she felt Rome was too hot.
The girls played basketball the boys played tennis.
Titanic is my favorite movie I love eating popcorn.

5. Fixing Run-On Sentences…
Separate using a period
Separate using a semi-colon
Use a comma and one of the FANBOYS
Correct the following run-on sentences:
Carmen loved traveling in Italy she felt Rome was too hot.
The girls played basketball the boys played tennis.
Titanic is my favorite movie I love eating popcorn.

6. Sentence Fragments
cannot stand by itself—does not contain one independent clause
Examples:
Purdue offers many majors in engineering. Such as electrical, chemical, and industrial engineering.
Coach Dietz exemplified this behavior by walking off the field in the middle of a game. Leaving her team at a time when we needed her.
I need to find a new roommate. Because the one I have now isn't working out too well.

7. Revising Sentence Fragments…
1. ECU offers many majors in engineering. Such as electrical, chemical, and industrial engineering.
Purdue offers many majors in engineering, such as
electrical, chemical, and industrial engineering.
2. Coach K exemplified this behavior by walking off the field in the middle of a game. Leaving her team at a time when we needed her.
Coach Dietz exemplified this behavior by walking off the
field in the middle of a game, leaving her team at a time
when we needed her.
3. I need to find a new roommate. Because the one I have now isn't working out too well.
I need to find a new roommate because the one I have now isn't
working out too well.

8. Simple Subjects vs. Complete Subjects
Simple: the main word in the complete subject. It is always a noun or a pronoun
Example:
The study of small insects is a hobby of mine.
_______________________________________
Complete: consists of all the words that tell whom or what a sentence is about.

9. Simple Predicate vs. Complete Predicate
Simple: or verb, is the main word or word group that tells something about the subject.
Example:
Many people will listen with interest to facts about bugs. _______________________________________
Complete: consists of a verb and all the words that modify the verb and complete its meaning.
Many people will listen with interest to facts about bugs.