Welcome to the first in a series of short English grammar blogs.
In today's lesson, we will explain the difference between "by" and "until".
We use ‘by’ to talk about things that must be done before a deadline:
We tend to use ‘by’ when we want to talk about goals, targets or deadlines.
We use ‘until’ to talk about an action that will continue from now to a deadline:
We also tend to use ‘until’ for things that will continue for a while or will take time to do.
Next week, we will look at another common problem people encounter with English grammar.
Can you spot the mistakes in these sentences?
We will look at the answers next time.
Noel Bradshaw is the COO of Rosetta Stone Learning Center and started his career at management consulting firm Accenture. He came to Japan with the JET programme before joining Rosetta Stone and has been with the company for 8 years.