Some examples and use cases from the internet:

Some examples and use cases from the internet:

• I've already seen him once today.
• You haven't seen him once since you've been out there.
• This mill may be miserable, but since we got here, we haven't seen Count Olaf once.
• Since that day three years ago, I haven't seen Sawatari once.
• I haven't seen you once.
• You've worked here almost a year and I've never seen him once.
• A land that everybody should have seen once.
• We've been together 48 hours, I haven't seen you call her once.

• I have never seen him for five years.
• I work in one of his companies, but I've have never seen him.
• No. I have never seen him be violent before.
• I have never seen him more angry.
• On the day he should be happiest, I have never seen him so destroyed.
• I have never seen him before.
• The Pharaoh has mercenaries, but I have never seen one like him.
• To my knowledge, I have never seen him.