Predication Subjunct

"She is really an intelligent child."

Dr. Quirk says that "really" in that sentence is a predication subjunct.

Would you please tell me in simple English what that means?


Thank you.

* Not a teacher

If you haven't come across this so far (but I think you already did), check it out:

http://nechodimnaprednasky.sk/stiahn...ls_magi_1_.pdf

Excerpt from page 14:

Quote:

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- > predication subjuncts – Subjunct has a special relation with the Predicate
ex.: She is a really intelligent child. - > part of C
She is really an intelligent child. - > predication Subjunct

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Thank you very much, SirGod, for the excellent link.