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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
by two weeks
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by two weeks" is correct and usable in written English.
It can be used to indicate a time frame or deadline that is two weeks in duration. Example: "The project deadline has been extended by two weeks to accommodate additional feedback."
✓ Grammatically correct
News & Media
Academia
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
By two weeks more yet, and I still hadn't parted.
The leaders postponed the president's invitation by two weeks.
Academia
(The show has already been extended by two weeks).
News & Media
Preceding Lee by two weeks, however, was Brig.
News & Media
The Prime Minister refused, and the Administration extended the deadline, by two weeks.
News & Media
This is followed by two weeks of surfing, including a long weekend at Jeffreys Bay.
News & Media
The school's self-imposed sanctions included delaying the start of all preseason practices by two weeks.
News & Media
An appeal to Zimbabwe's constitutional court to delay the vote by two weeks was struck down.
News & Media
The show also anticipates the larger Corvettes at Carlisle, in Carlisle, Pa., by two weeks.
News & Media
The eight U.S.F.L. teams selected 92 players in the open phase, which followed by two weeks the territorial phase.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Besides, how much of a "break" is it to delay — not shorten — her five-year sentence by two weeks?
News & Media
Expert writing Tips
Best practice
Use "by two weeks" to clearly indicate a delay, extension, or a time difference between two events. For example, "The deadline was extended by two weeks."
Common error
Avoid using "by two weeks" when you mean "in two weeks". "By two weeks" indicates a deadline or difference, while "in two weeks" indicates a future point in time. For example, say "The event will happen in two weeks" not "by two weeks".
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by two weeks" primarily functions as an adverbial phrase, modifying verbs to indicate the extent of a delay, extension, or difference in time. Ludwig provides numerous examples showcasing this usage.
Frequent in
News & Media
40%
Academia
30%
Science
20%
Less common in
Wiki
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "by two weeks" is a common and grammatically correct adverbial phrase used to specify a temporal difference, extension, or delay. As Ludwig AI confirms, this phrase is used across various contexts, including news, academic, and scientific domains. While generally neutral in register, it's crucial to differentiate its meaning from "in two weeks" to avoid ambiguity. To ensure clarity, use "by two weeks" to indicate a change and "in two weeks" to indicate a future point in time.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
within a fortnight
Replaces "two weeks" with its synonym "fortnight".
in a couple of weeks
Uses a more casual expression for the same duration.
two weeks from now
Emphasizes the future aspect of the two-week period.
after a fortnight
Similar to "within a fortnight" indicating time span.
at an interval of two weeks
Formal way to say the same.
two weeks later
Highlights the sequential nature of the two-week gap.
spanning two weeks
Focuses on the duration of time.
for a period of two weeks
Explicitly states the duration.
a couple of weeks hence
Uses a slightly more archaic term, "hence", for future time.
in the space of two weeks
Emphasizes the time constraint.
FAQs
How can I use "by two weeks" in a sentence?
Use "by two weeks" to indicate a period of delay or difference. For example, "The project was delayed "by two weeks" due to unforeseen circumstances."
What alternatives can I use instead of "by two weeks"?
You can use phrases like "in a fortnight", "two weeks from now", or "a couple of weeks" depending on the context.
Is it correct to say "in two weeks" or "by two weeks"?
Both are correct, but they have different meanings. "In two weeks" refers to a future time, while ""by two weeks"" usually means a delay or difference in time.
What's the difference between "by two weeks" and "for two weeks"?
"By two weeks" implies a change or a deadline (e.g., The deadline was extended "by two weeks"), while "for two weeks" indicates a duration (e.g., The conference lasted for two weeks).
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested