1. I don’t like going out alone/lonely at night.
  2. He lives alone/lonely.
  3. Finally the two of us were alone/lonely together. •
  4. He was a cold man, alone/aloof and distant.
  5. She stayed aloof/alone.
  6. He was sitting alone/lonely in the room.
  7. She lives alone and often feels lonely.
  8. She lives lonely and often feels alone.
    Please correct.
  1. lonely is incorrect
  2. lonely is incorrect
  3. This is a play on words in the first instance, so does not make logical sense. This is the only reason why you might see both. In normal conversation neither is correct. Usually the tense is something future related or conditional ‘can be’ or ‘could be’, rather than a past tense.
  4. Given the context, aloof would be correct, though ‘alone’ is not impossible,. They have different meanings.
  5. They have different meanings.
  6. lonely is incorrect.
  7. is incorrect.