YOU SAID:
Gonna go shopping today.
INTO JAPANESE
今日は買い物に行く。
BACK INTO ENGLISH
Today I'm going shopping.
INTO JAPANESE
今日は買い物に行きます。
BACK INTO ENGLISH
I'm going shopping today.
INTO JAPANESE
今日は買い物に行きます。
BACK INTO ENGLISH
I'm going shopping today.
That didn't even make that much sense in English.