simple past-present perfect

[Alicann123]

Hello,

Could you please help that whether they are correct or not?

-Don't worry! I saw that movie 3 times before.

-The idiom existed many years before.

I know that they can be used with present perfect ,but I want to learn that if it is used with simple past.

[Beeesneees]

many times before what?

many years before what?

If you are going to use 'before' you have to have something to relate it to.
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