Question 179325
Here's are the general guidelines to if-then constructions,
Original Statement: if (a) then (b) 
Converse Statement: if (a) then (b) 
Inverse Statement: if (not a) then (not b) 
Contrapositive Statement: if (not a) then (not b) 
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a=dog is barking, 
b=dog will not bite 
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Original Statement : If a dog is barking, then it will not bite.
Converse Statement: If a dog is not biting, then it will bark.
Inverse Statement: If a dog is not barking, then it will bite.
Contrapositive Statement: If a dog is biting, then it will not bark.