YOU SAID:
i have listened to a podcast
INTO JAPANESE
ポッドキャストを聞いたことがあります
BACK INTO ENGLISH
I have heard the podcast
INTO JAPANESE
ポッドキャストを聞いてきました
BACK INTO ENGLISH
i listened to the podcast
INTO JAPANESE
ポッドキャストを聞いた
BACK INTO ENGLISH
listened to the podcast
INTO JAPANESE
ポッドキャストを聴いた
BACK INTO ENGLISH
listened to a podcast
INTO JAPANESE
ポッドキャストを聴いた
BACK INTO ENGLISH
listened to a podcast
That didn't even make that much sense in English.