During vs Until vs By in English
Using During in English
For part of a period of time. Used before a noun to say when something happens.
- I watched television duringa break in my studies.
- They met her duringthe presentation.
- There is no schoolduringSeptember.
- Duringthese years he never stopped taking bus trips.
Using Until in English
Up to, but not after, a specific time. To say how long a situation continues.
- I will stay untilfour o’clock.
- Are you going to work until11:00?
- Untilmy father came home, I read a book.
- I could not get up this morning. I stayed in the bed untileleven.
- That’ll just have to wait untilnext week.
Using By in English
No later than time. Something happens by a time in the future.
- We need to be there bynoon.
- He had promised to be back byfour o’clock.
- Job applications must be received bythe 22th April.
- I sent the documents to them today, so they must receive them byon Friday.