Hello Anon, "Are" is indeed the linking verb; but I would call "the consent form, sign-in sheet, list of locations and my card" the subject. "Attached are" is thus an inverted predicate; and "attached" itself I would call an adjectival

Could I just check, Anon: would you like this sentence diagrammed?

Hello JJ, Always the latter. All the best, MrP

Hello Alc, First: "My mental condition is close to that of hers". Then: "has deteriorated" > "had deteriorated". Which small change makes both these continuations possible: 1. ...a point where I could not cope with the

I think I would take it as defining too, and thus omit the commas in the extended version: 1. Distributive justice which is absolute, rigid, and unvarying must be observed by anyone who... MrP

Hello Renan, I hear "lonely" too. It may be that some other version of the song has "younger", though. Best wishes, MrP

Hello Non, welcome to English Forums! Would this be for a test or essay of some kind? (Unfortunately we wouldn't be able to give answers for tests or essays; though if you wanted to put down your thoughts, we'll look at them for you.)

If the original examples are grammatically objectionable, then so is e.g. 1. Whose mother abandoned him when he was two years old? — which would be bad news for quizmasters. MrP

Not the second version, Anon. All the best, MrP

(Strictly speaking, Anon, "singularia tantum" is the plural; the singular is "singulare tantum".)