In this example: I am adverting to (noun, eg letter), the reception of which I am asking/tentative about. How can I recast this sentence, and preserve this syntax, without the "empty ...
It is having time to think that makes me depressed. In this sentence, what is the grammatical function of the word that?
An acquaintance recalled this specific example from an English textbook, but it is jarring to my native ear. Is this an example of prescriptive grammarians gone wild?