YOU SAID:
hey i can't wait for exams to be over
INTO JAPANESE
ちょっと私は試験が終わるのを待つことができない
BACK INTO ENGLISH
Hey I can not wait for the exam to finish
INTO JAPANESE
ちょっと私は試験が終わるのを待つことができません
BACK INTO ENGLISH
Hey I can not wait for the exam to finish
That didn't even make that much sense in English.