<C’est vs Il/Elle est>

[flat escarp]

Please be patient

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<C’est vs Il/Elle est>

[crystal badger]

That is true yes

Though for the second one, « c'est un bon professeur » will be preferred

The idea being that for « il/elle est », professions become adjectives which is why you don't see an article before it:
« il est professeur », not « il est un professeur ».
The moment you introduce another adjective, say « bon », that noun-turned-adjective becomes a noun again so it forces everything back to « c'est »

Basically, you have :
« C'est une professeure / C'est une bonne professeure »
« Elle est professeure »

[ember hound]

So would you say, dropping the “une” makes professeure an adjective, but when adding the “une” it forces professeure to be a noun again and therefore needing to go with C’est? Hopefully that made sense 😅

[crystal badger]

It's not the « une » specifically, it's what's happening around the noun

The « une » is more like a guide; its presence tells you that uh oh this adjective is now a noun

[ember hound]

I see. So, in this example saying “une professeure” is saying “Hey, here is a noun” so I go with C’est but if I just said “professeure” it’s like saying “Hey this is a description of “her” and I would go with Elle?

Sorry for all the clarification and thank you for your patience and letting me talk this out!

[crystal badger]

exactly

Basically, is « professeure » alone or is it accompanied by an adjective? If so, the indefinite article « une » will appear