YOU SAID:
This summer can be so excited
INTO JAPANESE
この夏はとても興奮することができます
BACK INTO ENGLISH
This summer can be very exciting
INTO JAPANESE
この夏はとてもエキサイティングになります
BACK INTO ENGLISH
This summer will be very exciting
INTO JAPANESE
この夏はとてもエキサイティングになるでしょう
BACK INTO ENGLISH
This summer will be very exciting
That didn't even make that much sense in English.