YOU SAID:

my cousin got detention for going to school late once

INTO JAPANESE

私のいとこは一度遅く学校に行くため留置を得た

BACK INTO ENGLISH

To go to school again later my cousin got a detention

INTO JAPANESE

学校に行きたい？

BACK INTO ENGLISH

You want to go to school again?

INTO JAPANESE

学校に行きたい？

BACK INTO ENGLISH

You want to go to school again?