YOU SAID:
my sandwich was amazing
INTO JAPANESE
私のサンドイッチは素晴らしかった
BACK INTO ENGLISH
My sandwich was wonderful
INTO JAPANESE
私のサンドイッチは素晴らしい
BACK INTO ENGLISH
My sandwich is wonderful
INTO JAPANESE
私のサンドイッチは素晴らしい
BACK INTO ENGLISH
My sandwich is wonderful
That didn't even make that much sense in English.