End vs Finish vs Be over (difference)
I would like to know the difference in meaning between "to end", "to finish" and "to be over".
I wonder if they mean the same and I can use them interchangeably.

I have the following examples:
1. Elizabeth, I don't have a membership on this dating site. So, when the free messaging time ends, I won't be able to communicate with you anymore.

2. Elizabeth, I don't have a membership on this dating site. So, when the free messaging time finishes, I won't be able to communicate with you anymore.

3. Elizabeth, I don't have a membership on this dating site. So, when the free messaging time is over, I won't be able to communicate with you anymore.

Are these examples correct? Do they sound natural?

Question

End vs Finish vs Be over (difference)
I would like to know the difference in meaning between "to end", "to finish" and "to be over".
I wonder if they mean the same and I can use them interchangeably.

I have the following examples:
1. Elizabeth, I don't have a membership on this dating site. So, when the free messaging time ends, I won't be able to communicate with you anymore.

2. Elizabeth, I don't have a membership on this dating site. So, when the free messaging time finishes, I won't be able to communicate with you anymore.

3. Elizabeth, I don't have a membership on this dating site. So, when the free messaging time is over, I won't be able to communicate with you anymore.

Are these examples correct? Do they sound natural?

Answer

All are ok. The most natural is is ‘ends’ but I would be happy with all of those.

Answer

Excellent, Michael! Which one sounds more natural or common to you in that context  "ends" or "is up"?

Answer

All are understandable but only #1 sounds natural to me.  A fourth alternative, that IS natural, is "when the free messaging time is up". In this sense, "is up" is a synonym for "ended". Note that I'm American, I'm not at all sure what I say here is accurate for other versions of English.

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