none of us have ever been to vs none of us has ever been to

Some examples from the web:

• None of us have ever experienced them.
• We are moving into something which none of us have ever experienced.
• Something that none of us have ever seen.
• None of us have ever seen a Grimm before, you know?
• If we win, we'll have what none of us have ever had before.
• None of us have ever done anything like this before, apart from Mlke who, as we all know, once stole a tank and tried to invade Parls.
• None of us have ever done anything like that.
• None of them have ever been found.
• None of them have ever been right.
• None of them have ever been substantiated.
• So none of these have ever been displayed.
• None have ever been found guilty of any crime.
• And it should be a place that neither of us have ever been to.
• This is the only Sangeet either of us have ever been to.
• It is the craziest thing either of us have ever been through, and that is saying something.
• None of them have ever worn it like that before.
• Apparently none of you have ever seen A new teacher before.
• None of you have ever let me down.
• - None of them have ever seen the King.
• None of them have ever carried a Montalvo.

Some examples from the web:

• None of us has ever tried to leave.
• What we're dealing with here... none of us has ever seen.
• We've just witnessed a phenomenon none of us has ever heard of before, much less experienced.
• You see, my mother is expecting a visit from our Cousin Collins whom none of us has ever seen.
• A photo of us, but none of us has ever been there.
• Except there's a demon and none of us has ever heard of demon with yellow eyes.
• You should know that this girl has invented a unique trick, pure genius, that none of us has ever thought of.
• Neither of us has ever defined what it means, nor have we ever been able to.
• None of them have ever been found.
• None of them have ever been right.
• None of them have ever been substantiated.
• So none of these have ever been displayed.
• None of it has ever left our control.
• ...none of you has ever had an unsolved murder.
• None of which has ever been proven in court, has it, Mr steel?
• Adramelech and Coldcomfort, none of whom has ever set foot in New York.
• In all your adventures, monsieurs and madames none of you has ever had an unsolved murder.
• Neither of us has ever dated longer.
• Neither of us has ever settled for half.
• - None of that ever happened.