Please review my examples below

1.a. My mom can smell something burning.(stative or by accident)- Yes but it is "stative, i.e. involuntarily" and I add "transitive"
1.b. My mom is smelling the fragrance of a rose. (active or on purpose) "dynamic" "voluntary" and "transitive"
2. This flower smells good.(stative or have a specific odor) "Involuntary" "intransitive" never used in "progressive tense".
3. This flower smells like a rose."Involuntary" "intransitive" never used in "progressive tense".
4. My mom is smelling like a dog.( progressive is not possible when "smell" is an intransitive verb)
instead,
"My mom is sniffing like a dog. ("intransitive" "on purpose", "voluntary") is possible. Please review my points.