1) These are practices that existed until five hundred years ago.
2) These are practices that existed up to five hundred years ago.
In each case, could some of those practices have ceased to exist before five hundred years ago?
In each case, could some of those practices have continued to exist after five hundred years ago?
Gratefully,
Navi
navitasan 1) These are practices that existed until five hundred years ago. 2) These are practices that existed up to five hundred years ago. Here's how I read them: 1) These practices started more than five hundred years ago, and continued until five hundred years ago, and then stopped.
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navitasan1) These are practices that existed until five hundred years ago.
2) These are practices that existed up to five hundred years ago.
Here's how I read them:
1) These practices started more than five hundred years ago, and continued until five hun
navitasanThese are practices that existed up to five hundred years ago.
That one can mean the same as this one,
navitasanThese are practices that existed until five hundred years ago.
but only if you use "until" in place of "to": "These are practices that existed up until five hundred years ago." You can call "up"