Diagramming Practice – Public Speaking
- by
- Jan 01, 2020
- Question of the Day
- Reviewed by: Matt Riley

Diagram the following conditional statement and find its contrapositive: “To be a good public speaker, it is essential that one rehearses in front of a mirror.”
This is a tricky sentence to diagram because it does not feature one of the common diagramming indicator words. However, it does use the word “essential,” which is basically a synonym for “necessary.” So, the statement tells us that rehearsing in front of a mirror is necessary for something else. So, we will put “rehearse in front of a mirror” in the necessary slot in the diagram. Then, to fill out the rest of the diagram, we can put the other term, “good public speaker,” on the sufficient side.
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