Description :
The author describes a topic by listing characteristics, features, and examples
Sequence :
The author lists items or events in numerical or chronological order.

Comparasion :
The author explains how two or more things are alike and/or how they are different.

Cause and Effect :
The author lists one or more causes and the resulting effect or effects.

Problem and Solution :
The author states a problem and lists one or more solutions for the problem. A variation of this pattern is the question- and-answer format in which the author poses a question and then answers it.

Circumlocution :
Depicts a pattern in which the speaker discusses a topic, then diverts to discuss a related but different topic.

Narrative Interspersion :
A pattern or a sub-pattern imbedded in other patterns in which the speaker or writer intersperses a narrative within the expository text for specific purposes, including to clarify, or elaborate on a point or to link the subject matter to a personal experience.

Recursion :
When the speaker discusses a topic, then restates it using different words or symbolism. It is used to drive home a point and to give special emphasis to the text.
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Description , Problem and Solution , Comparison , Sequence , Narrative Interspersion.