YOU SAID:

They think it's all over, it is now.

INTO JAPANESE

彼らはそれがすべて終わった、今だと思います。

BACK INTO ENGLISH

They think it's all over now.

INTO JAPANESE

彼らは今はもうだめだと思います。

BACK INTO ENGLISH

I think they are already useless now.

INTO JAPANESE

私は、彼らがすでに役に立たない今と思います。

BACK INTO ENGLISH

I think they are already useless now.