The phrase "alone proper" is not correct and does not convey a clear meaning in written English.
It seems to be an attempt to express a concept of being proper or appropriate while being alone, but it lacks clarity and grammatical structure.
Example: "He felt that being alone proper was essential for his personal growth."
Alternatives: "properly alone" or "alone in a proper manner".
A US city can count itself lucky if it has rail transit at all, let alone proper facilities.
Fifteen years ago it was quite hard to get a decent pint of bitter in London, let alone proper cider, but recently a new wave of pubs have opened dedicated to craft products.
Based on the exposure assessment alone, proper comparison across studies is therefore quite difficult due to the varying exposure assessments, differences in air ion systems used, and disparate monitoring of ion levels.
9 Acts entirely proper when viewed alone may be prohibited.
He later defined a prime as a number "measured by a unit alone" (i.e., whose only proper divisor is 1), a composite as a number that is not prime, and a perfect number as one that equals the sum of its "parts" (i.e., its proper divisors).
Felix's confident proclamations come to seem egotistical and coercive: he alone appreciates "proper" love, "unconditional, time-tried, morbidly steadfast and submissive, all absorbing and absorbed.
The football club that sits alongside a brewery but couldn't organise a couple of swift halves in it, let alone a proper piss up.
"How to Hold a Dead Star in Your Hand" Most celestial objects in our Milky Way are so far away from us we can't send spacecraft to them, let alone do proper three dimensional scans of the them.
About 72% of the houses in Kuwait have a built-in swimming pool either indoor or outdoor [ 7].Children are left to swim alone without proper supervision.
"Children in families under economic duress have more pressure to help with household chores and family income, experience more stress and anxiety at home, and are often left at home alone without proper care," Dr Meyers noted.
For sound operation of a microgrid in both grid-connected mode and stand-alone mode, proper energy management strategies are very important.
