YOU SAID:
My friend Can can can cans cans couldn’t can
INTO JAPANESE
私の友人の缶缶缶缶缶缶缶缶
BACK INTO ENGLISH
My friend can can can can can can can can
INTO JAPANESE
私の友人は缶缶缶缶缶缶缶
BACK INTO ENGLISH
My friend can can can can can can can can
That didn't even make that much sense in English.