YOU SAID:

I though cats only ate ham

INTO JAPANESE

私も猫は、ハムを食べただけ

BACK INTO ENGLISH

My cat ate a ham only

INTO JAPANESE

私の猫は、ハムだけを食べた

BACK INTO ENGLISH

My cat ate only ham

INTO JAPANESE

私の猫ハムだけを食べた

BACK INTO ENGLISH

Only the hum of my cat ate

INTO JAPANESE

私の猫のハムだけを食べた

BACK INTO ENGLISH

Only the hum of my cat ate