YOU SAID:

I am washing my hands by myself

INTO JAPANESE

自分で手を洗っている

BACK INTO ENGLISH

I wash my hands myself

INTO JAPANESE

自分で手を洗う

BACK INTO ENGLISH

Wash your own hands

INTO JAPANESE

必ず

BACK INTO ENGLISH

[かならず] /necessarily/certainly/surely/by all means/

INTO JAPANESE

必ず

BACK INTO ENGLISH

[かならず] /necessarily/certainly/surely/by all means/