YOU SAID:

i have four cats that i walk

INTO JAPANESE

私は歩く猫が4匹います

BACK INTO ENGLISH

I have 4 walking cats

INTO JAPANESE

歩く猫が4匹います

BACK INTO ENGLISH

There are 4 walking cats

INTO JAPANESE

歩く猫は4匹

BACK INTO ENGLISH

4 walking cats

INTO JAPANESE

歩く猫4匹

BACK INTO ENGLISH

4 walking cats