YOU SAID:
Dear Maria, I had an amazing time hanging out with you this month
INTO JAPANESE
マリア、今月あなたと過ごした素晴らしい時間を過ごしました
BACK INTO ENGLISH
Maria, had a great time with you this month
INTO JAPANESE
マリア、今月はあなたと素晴らしい時間を過ごしました
BACK INTO ENGLISH
Maria, this month had a great time with you
INTO JAPANESE
マリア、今月はあなたと素晴らしい時間を過ごしました
BACK INTO ENGLISH
Maria, this month had a great time with you
That didn't even make that much sense in English.