[토익 문법] 전치사 by, until / for, during while

by, until : ~까지

어떻게 구별할까? 

 

by: 한번만 

until: 계속 

 

You have to give me this paper by 6 PM.

You have to work here until 6 PM.

 

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for, during, while: ~동안

어떻게 구별할까? 

 

for, during은 전치사 -> 뒤에 명사

while은 접속사 -> 뒤에 주어 동사

 

for: 숫자

during: 특정 기간

 

You will stay here for 3 days.

You will stay here during this vacation.

You will stay here while I am here.