YOU SAID:

I asked him if we can get a better life for the next month but he is quite busy

INTO JAPANESE

私は彼に来月はもっと良い生活ができるか尋ねましたが、彼はとても忙しいです

BACK INTO ENGLISH

I asked him if he could have a better life next month but he is very busy

INTO JAPANESE

私は彼に、来月はもっと良い生活ができるかどうか尋ねましたが、彼はとても忙しいです

BACK INTO ENGLISH

I asked him if he could have a better life next month but he is very busy