YOU SAID:

i said that you are very useless and you can't do anything

INTO JAPANESE

あなたはとても役立たずで何もできないと言いました

BACK INTO ENGLISH

You said you were so useless that you couldn't do anything.

INTO JAPANESE

あなたは自分がダメすぎて何もできないと言いました。

BACK INTO ENGLISH

You said you were too bad to do anything.

INTO JAPANESE

あなたは自分が悪すぎて何もできないと言った。

BACK INTO ENGLISH

You said you were too bad to do anything.