YOU SAID:
there are many things i can't do
INTO JAPANESE
私は行うことができない多くの事があります。
BACK INTO ENGLISH
There are many things I can't do.
INTO JAPANESE
私は行うことはできません多くの事があります。
BACK INTO ENGLISH
I do not have a lot of things.
INTO JAPANESE
多くのものがありません。
BACK INTO ENGLISH
There are many things.
INTO JAPANESE
多くのものがあります。
BACK INTO ENGLISH
There are many things.
That didn't even make that much sense in English.