YOU SAID:

I promise to never procrastinate again if this sentence comes out the exact same

INTO JAPANESE

この文がまったく同じになったら、二度と先延ばしにしないことを約束します

BACK INTO ENGLISH

If this sentence is exactly the same, I promise I won't procrastinate again

INTO JAPANESE

この文がまったく同じなら、私は二度と先延ばししないことを約束します

BACK INTO ENGLISH

If this sentence is exactly the same, I promise I will never procrastinate

INTO JAPANESE

この文がまったく同じなら、私は決して先延ばしにしないと約束します

BACK INTO ENGLISH

If this sentence is exactly the same, I promise I will never procrastinate