The orange was sinking. Now it is on the bottom of the beaker. Then we can say as follows.

Question

The orange was sinking. Now it is on the bottom of the beaker. Then we can say as follows.

1. The orange is sunk.
2. The orange has sunk.
3. The orange was sunk.
4. The orange has been sunk.

[Which expressions can we use in this situation?]

Answer 1

The orange was sinking. Now it is on the bottom of the beaker. Then we can say as follows.

All are fine, but 2 and 4 are best.