영어 잘하는사람 들어와주라ㅠㅠ

ㅇㅇ2020.09.12
조회9

It looks as though there are a lot of tubes piled up one on top of the other

여기서 as though 뒤에 과거가 와야하는거 아니야?? 왜 현재가 오는거임??