YOU SAID:

i am very ugly and have a massive forehead

INTO JAPANESE

私はとても醜くて額が大きい

BACK INTO ENGLISH

I'm very ugly and big forehead

INTO JAPANESE

私はとても醜くて大きな額です

BACK INTO ENGLISH

I'm very ugly and big amount

INTO JAPANESE

私はとても醜くて大量です

BACK INTO ENGLISH

I'm so ugly and a lot

INTO JAPANESE

私はとても醜くてたくさんです

BACK INTO ENGLISH

I'm so ugly and a lot