YOU SAID:

it still has yet to complete

INTO JAPANESE

それはまだまだ完了するが

BACK INTO ENGLISH

But it is yet to complete

INTO JAPANESE

しかし、それはまだ完了

BACK INTO ENGLISH

However, it is still complete

INTO JAPANESE

しかし、それはまだ完了しています

BACK INTO ENGLISH

But it is still completed

INTO JAPANESE

しかし、それはまだ完了しています

BACK INTO ENGLISH

But it is still completed