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).
Remember, a clause is a group of related words containing a subject and a verb. A clause comes in four types; independent, dependent, relative or noun clause. Every clause has at least a subject and a verb. An independent clause, also called a main clause, is a clause that can stand on its own. noun clause is any clause that replaces, and functions as, a noun. It's another type of dependent clause. 1  For example, in the sentence, 'You really do not want to know the ingredients in Aunt Nancy's stew,' the noun is ingredients.