1. The concert is over.

2. The concert is finished.
3. The concert ended.
4. The concert finished.
[Are they the same in meaning? Can we use all the sentences? Which ones are unacceptable? Do you have some more similar expressions?]

All are acceptable. I think number four would be less likely to be used, but is okay. When I read it, I want to know how it finished. "The concert finished with Copeland's 'Fanfare for the Common Man'." :)

1. The concert is over.

2. The concert is finished.
3. The concert ended.
4. The concert finished.

Yes, all these sentences convey the same meaning that the concert has come to an end. They can all be used interchangeably to communicate this idea.

As for some additional humorous expressions related to the end of a concert, here are a few:

5. The concert called it quits.
6. The concert said "That's a wrap, folks!"
7. The concert decided to pack up its instruments and go home.
8. The concert bid farewell with a grand finale.

Remember, these expressions add a touch of humor and playfulness to your sentences!

1. The concert is over.

2. The concert is finished.
3. The concert ended.
4. The concert finished.

All of the given sentences convey the same meaning, which is the conclusion or completion of the concert. You can use any of these sentences to describe the end of a concert.

However, when it comes to grammatical correctness, sentence number 2, "The concert is finished," may sound a bit awkward or less commonly used compared to the other sentences. It is more common to use "over" or "ended" to describe the conclusion of a concert.

Here are some additional similar expressions you can use:

5. The concert concluded.
6. The concert came to an end.
7. The concert wrapped up.
8. The concert drew to a close.
9. The concert ended on a high note.

These sentences can be used interchangeably with the given options to describe the end of a concert.

Yes, all four sentences have similar meanings and can be used interchangeably to convey that the concert has come to an end. None of them are grammatically incorrect, but the preference may vary depending on the context or personal style. However, it is worth noting that "ended" and "finished" are more commonly used than "over" or "finished."

Here are a few more similar expressions that convey the same meaning:

5. The concert has concluded.
6. The concert has wrapped up.
7. The concert has come to a close.
8. The concert has reached its conclusion.

These expressions also indicate that the concert has finished and can be used in various contexts.