YOU SAID:

Do you know he does it when he doesn't know what he is supposed to do with it.

INTO JAPANESE

彼が何をすべきかわからないときに彼がそれをするのを知っていますか。

BACK INTO ENGLISH

Do you know he does it when he does not know what to do?

INTO JAPANESE

彼が何をすべきかわからないときに彼がそれをするのを知っていますか？

BACK INTO ENGLISH

Do you know he does it when he doesn't know what to do?

INTO JAPANESE

彼が何をすべきかわからないときに彼がそれをするのを知っていますか？

BACK INTO ENGLISH

Do you know he does it when he doesn't know what to do?