To punctuate a sentence, you can use and combine some of these patterns. For more information on independent and dependent clauses plus independent and dependent markers, see the following page on independent and dependent clauses. Simple sentence Independent clause .
Doctors are concerned about the rising death rate from asthma .
This pattern is an example of a simple sentence. Compound Sentence Independent clause , coordinating conjunction independent clause . Doctors are concerned about the rising death rate from asthma , but they don't know the reasons for it . This pattern is an example of a compound sentence. This pattern is an example of a compound sentence.