Causes of Breast Bone Pain. 1  Heartburn or reflux is the most common cause of a burning pain along and under the breast bone as a result of esophagitis. Gastroesophageal reflux (GERD) may also result in episodes of severe sharp pains in the chest and is often mistaken for a myocardial infarction (heart attack) during these episodes.
A complex sentence contains an independent clause and at least one dependent clause. A sentence with two or more independent clauses plus (one or more) dependent clauses is referred to as a compound-complex sentence. (Every clause contains a subject and predicate).
Examples and Observations. 1  A clause is a group of words that [contains] a subject and a verb. 2  There are two major types: independent clauses and dependent clauses. 3  An independent clause can stand alone as a sentence, beginning with a capital letter and ending with terminal punctuation such as a period.n independent clause (unlike a dependent clause) can stand alone as a sentence. An independent clause is also known as a main clause or a superordinate clause. Two or more independent clauses can be joined with a coordinating conjunction (such as and) to form a compound sentence. Exercises.