YOU SAID:

Really? I shouldn't have tried those hats on you, then?

INTO JAPANESE

本当に？私はあなたにそれらの帽子を試着したはずがないのですか？

BACK INTO ENGLISH

truly? I can not have tried on those hats on you?

INTO JAPANESE

本当に？私はあなたにそれらの帽子を試着したことができないのですか？

BACK INTO ENGLISH

truly? I can not have tried on those hats on you?