YOU SAID:

my favourite thing to do in my free time is walk in the park

INTO JAPANESE

私の自由な時間にすることが一番好きなことは、公園を歩くことです

BACK INTO ENGLISH

My favorite thing to do in my free time is to walk in the park.

INTO JAPANESE

私の自由時間に一番好きなことは公園を歩くことです。

BACK INTO ENGLISH

My favorite thing to do in my free time is to walk in the park.