YOU SAID:

this will get sick after a while

INTO JAPANESE

これはしばらくすると病気になります

BACK INTO ENGLISH

And after a while it becomes ill

INTO JAPANESE

そしてしばらくすると病気になります

BACK INTO ENGLISH

And after a while it will get sick

INTO JAPANESE

そしてしばらくすると病気になります

BACK INTO ENGLISH

And after a while it will get sick