YET ENGLISH: How to use

YET YOUR ESL TEACHER - UNTIL

By / Until

Used with "time"
for specific situations related to “time”.

by

not later than
(a specified time)
something could be completed before
(a specific time)

EXAMPLES:

The operation will be completed by 10:00 pm. It might be completed before 10:00 p.m.
We will arrive in Miami by 6:00 a.m. We might arrive sooner, but for sure not after 6:00 a.m.
I’ll be there by 5. I might arrive earlier than 5, but not after.
I hope to learn English by the time I finish the university. Maybe I will learn it before.

until

up to
(a particular time)
a period of (specific time)

EXAMPLES:

I’m going to study English tonight until 10 and then I will go out for a beer.
From now –> 10 you be studying.
He will study for the test for 3 hours. From 3:00 p.m until 6:00 p.m.
I will stay at the party until it is over.
I will study English until I learn it.

Note: By

Usually answers the question “When” in the future tense.

When will the project be finished?
By November.
When will you arrive at the party?
By 6 for sure.
When will you call me?
By Thursday. I promise.

NOTE: Until

Usually answers the question "How long"

How long will you be working on the project?
Until November.
How long will it take you to finish the report?
Until 3 this afternoon.
How long were you in New York?
Until it started snowing then I went to Florida.