it is done是什么時態

　　It is done just right this time.

　　這回做的口味不錯。

　　Now you will see how it is done at the requirement level.

　　現在您將看到如何在需求級上完成這一操作。

　　It is done, however, and it was done for the best.

　　然而事情已經做了，而且完全是出于一片好意。

　　Heat treatment enhancement functions only when it is done to the electrode.

　　只有對極片熱處理才能起到作用。

　　And he said unto me, it is done.

　　他又對我說，都成了。