YOU SAID:
I’m gonna order an extra large pizza, please!
INTO JAPANESE
私は余分な大きなピザを注文するつもりだ!
BACK INTO ENGLISH
I am going to order extra big pizza!
INTO JAPANESE
私は余分な大きなピザを注文するつもりです!
BACK INTO ENGLISH
I am going to order extra big pizza!
That didn't even make that much sense in English.