Answered By: Writing Center Last Updated: May 06, 2015 Views: 1
We use before or after to talk about an event happening earlier or later than another event.
e.g.: I put on my coat before I went out.
The message arrived after I'd left.
We can often use either until or before when a situation continues to happen up to a time indicated in the adverbial clause.
e.g.: I had to wait six weeks until/before the parcel arrived.
We use until to talk about an action that continues to a particular time and then stops.
e.g.: They sat on the beach until the sun sank below the horizon, and then they went home.
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