YOU SAID:

don't you open that window

INTO JAPANESE

そのウィンドウを開かないか

BACK INTO ENGLISH

Would you like to open that window

INTO JAPANESE

そのウィンドウを開きますか

BACK INTO ENGLISH

Do you want to open that window

INTO JAPANESE

そのウィンドウを開きますか

BACK INTO ENGLISH

Do you want to open that window