«Well, somehow I think "quite" is more intimate with "the truth" than with "is".»
This is not quite the truth.
There is no «quite truth». But a thing may not be true entirely (when only part of it is true). So, the octant of «quite» is «to be», which makes it «to be incompletly».
To what degree is it so that this the truth? (adverb of degree requested) It is the truth this much: completely, not completely, almost, not quite, not at all.
In my mind, any of the adverbs above could modify "This is the truth". "is" by itself just acts as a connector. I believe some systems of analysis call this a
If you are not working within the restrictions of a particular system of analysis, then analyze in the way that is most logical for you and best helps you to understand.
«If you are not working within the restrictions of a particular system of analysis, then analyze in the way that is most logical for you and best helps you to understand»
Argee 100%.
By the way, sentence adverbs are Thanksfully,... Fortunately,... Unfortunately,... (You probably knew that...) They really affect the whole sentence. I don't think that «quite» f