YOU SAID:
There are those who have not been able to do so, because they have not been able to do so.
INTO JAPANESE
できなかった人たちもいます。
BACK INTO ENGLISH
Some people could not.
INTO JAPANESE
できない人もいました。
BACK INTO ENGLISH
There were people who could not.
INTO JAPANESE
できない人がいました。
BACK INTO ENGLISH
There was a person who could not.
INTO JAPANESE
できない人がいました。
BACK INTO ENGLISH
There was a person who could not.
Well done, yes, well done!