Everyone with imperfect past should shy from using past perfect.
If voice is the sound produced by the vocal organs of a vertebrate, especially a human
being, how can a transitive verb be in either active or passive voice.
Having endowed verbs with a voice, we should not be surprised they also possess a
mood.
The best way to locate squinting modifiers in a paper is to hold it close
to a mirror and watch for commotion.
Since to dangle means to hang loosely and swing or sway to and fro, a book
lying quietly on a desk may be assumed not to contain instances of dangling modifiers.
References
J.A.W.Heffernan and J.E.Lincoln, Writing. A College Handbook., 2nd ed., W.W.Norton & Co., NY, 1982