YOU SAID:
i've committed several crimes
INTO JAPANESE
私はいくつかの犯罪を犯してきました
BACK INTO ENGLISH
I've committed some crimes
INTO JAPANESE
いくつかの犯罪を犯してしまいました
BACK INTO ENGLISH
committed some crimes
INTO JAPANESE
いくつかの犯罪を犯した
BACK INTO ENGLISH
committed some crimes
Okay, I get it, you like Translation Party.