YOU SAID:
Burger king had better give me my mustard and pie.
INTO JAPANESE
バーガーキングは私にマスタードとパイをくれたほうがいいです。
BACK INTO ENGLISH
Burger King should give me mustard and pie.
INTO JAPANESE
バーガーキングは私にマスタードとパイをくれるはずです。
BACK INTO ENGLISH
Burger King should give me mustard and pie.
You've done this before, haven't you.