YOU SAID:

I love my friends they are very nice

INTO JAPANESE

彼らはとても素敵な私の友達が大好き

BACK INTO ENGLISH

They love my very nice friend

INTO JAPANESE

彼らは私の非常に良い友人が大好き

BACK INTO ENGLISH

They are very good friends of my love

INTO JAPANESE

彼らは私の愛の非常に良い友人です。