YOU SAID:
I can not walk with penguins
INTO JAPANESE
私はペンギンと歩くことができません。
BACK INTO ENGLISH
I cannot walk with the Penguin.
INTO JAPANESE
ペンギンと歩くことはできません。
BACK INTO ENGLISH
You cannot walk with the Penguin.
INTO JAPANESE
ペンギンの歩くことができません。
BACK INTO ENGLISH
Penguin walk.
INTO JAPANESE
ペンギンの散歩。
BACK INTO ENGLISH
Penguin walk.
That didn't even make that much sense in English.