YOU SAID:

it's a crime if she's not around most of the time

INTO JAPANESE

彼女がほとんどの時間にいない場合、それは犯罪です

BACK INTO ENGLISH

It's a crime if she isn't most of the time

INTO JAPANESE

彼女がほとんどの時間ではない場合、それは犯罪です

BACK INTO ENGLISH

It is a crime if she is not most of the time

INTO JAPANESE

彼女がほとんどの時間ではない場合、それは犯罪です

BACK INTO ENGLISH

It is a crime if she is not most of the time