In this internet, where everyone talks english, its hard to tell whos a real anglo saxon and whos not. Wanna be able to tell the difference without directly asking? Heres a simple quiz to tell between an anglo saxon and a person of any other heritage:
Is Australia a continent?
I… I have never thought about it.
Now I’m more confused.
Anyway, I think there is a better way to know whether someone is a native speaker of not. If they confuse the words “there”, “they’re” and “their”, then they are most probably native speakers.