The text below is from Cambridge Grammar of the English Language. What does they mean by the bold part?
In general, PPs don't take very and too as degree modifiers. Some of the idiomatic PPs mentioned above as admissible complements of seem, etc., do allow them, but with much as an alternative construction:
[17] i a. *It was [very before lunch]. b. *We placed it [too above the floor].
ii a. He's [very (much) in the know]. b. He was [too (much) out of sorts to join in].
3703822/ Also, it is extremely difficult to give you a good answer when you do not include the complete context and we do not have access to the source. ) It is permitted to use "very" and "too" in complements of the verb "seem" and others, but the word "much" must be included. g.
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You got an answer here:
https://forum.wordreference.com/threads/pps-dont-take-very-and-too-as-degree-modifiers.3703822/
Also, it is extremely difficult to give you a good answer when you do not include the complete context and we do not have a