YOU SAID:
I love my raincoat, particularly when it rains
INTO JAPANESE
特に雨が降ったとき、私はレインコートが大好きです
BACK INTO ENGLISH
I love raincoats, especially when it rains
INTO JAPANESE
私はレインコートが大好きです、特に雨が降るとき
BACK INTO ENGLISH
I love raincoats, especially when it rains
That didn't even make that much sense in English.