YOU SAID:

Hello everyone mark is my boyfriend and he will forever be mine

INTO JAPANESE

こんにちは皆マークは私のボーイフレンドで、彼は永遠に私のものになります

BACK INTO ENGLISH

Hello everyone Mark is my boyfriend, he will be mine forever

INTO JAPANESE

こんにちは皆マークは私のボーイフレンドです、彼は永遠に私のものになります

BACK INTO ENGLISH

Hello everyone Mark is my boyfriend, he will be mine forever