YOU SAID:

i would very much lie to eat a pizza, but i i have eighteen exams

INTO JAPANESE

私はピザを食べるために非常にうそをつくだろうが、二十一試験

BACK INTO ENGLISH

I will be very lying to eat pizza, but 21

INTO JAPANESE

私はピザを食べることに非常にうそをつくことになりますが、21

BACK INTO ENGLISH

I will be very lying to eat pizza, but 21