365페이지 1번에서 For those interested in becoming a Large Goods Vehicle (LGV) driver, we recommend Veritas Traning, the only training company that provides free retest training should the driver fail the frist test.
이문장에서 should the driver fail the frist test. 이부분 해석 어떻게하죠??
that provides free retest training 가 앞의 company를 꾸며주는거고 should가 조동사인데 the driver 라는 명사가 올수 있나요??