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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
for an additional 2 weeks
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence 'for an additional 2 weeks' is correct and usable in written English.
You can use it when you want to extend the duration or length of time of something for a short period. For example, "We will extend your contract for an additional 2 weeks."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
31 human-written examples
However, hydrogels with HA maintained this transgene expression level for an additional 2 weeks before declining.
The effect on TAFGC values was maintained for an additional 2 weeks after cessation of treatment.
Science
At stage 3 (recovery), chemical exposure was interrupted at the end of the 5 weeks; animals were transferred into maintenance water and monitored for an additional 2 weeks.
Fractures that were deemed not united were continued in the complete cast for an additional 2 weeks (total of 6 weeks).
Mice continued to receive nicotine or vehicle for an additional 2 weeks.
Science
Birds were allowed to adjust to the divider for an additional 2 weeks (Fig. 1).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
Congress must act quickly to extend unemployment insurance and disaster unemployment assistance, each for an additional 13 weeks.
News & Media
They can then receive a maternity allowance – equivalent to either 90% of earnings or £135.45 a week, whichever is the lowest – for an additional 33 weeks.
News & Media
An Iraq war financing bill approved by the Senate includes a provision that would extend cash benefits for an additional 13 weeks.
News & Media
At an appearance at the Labor Department, the president said his plan would extend unemployment insurance payments for an additional 13 weeks beyond the standard 26 weeks in states where the unemployment rate increases by at least 30percentt after Sept. 11.
News & Media
The main proposals would allow payments for an additional 13 weeks in most states, and 26 weeks in states with especially high unemployment, by drawing down the federal unemployment trust fund, which holds more than $35 billion.
News & Media
Expert writing Tips
Best practice
Use "for an additional 2 weeks" to clearly indicate an extension of time, especially when the original duration has already been established. This phrasing avoids ambiguity and ensures the reader understands the timeline.
Common error
Avoid using "for an alternative 2 weeks" when you mean "for an additional 2 weeks". "Alternative" implies a choice between options, while "additional" refers to an extension of time.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for an additional 2 weeks" functions as an adverbial phrase of time, modifying a verb or clause by specifying the duration of an action or state. Ludwig AI confirms its proper use in extending a previously mentioned timeframe.
Frequent in
Science
65%
News & Media
17%
Formal & Business
18%
Less common in
Academia
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "for an additional 2 weeks" is a common and grammatically correct phrase used to indicate an extension of time. As Ludwig AI confirms, it is suitable for various contexts, including science, news, and formal business settings. While alternatives exist, this phrase clearly and directly communicates the duration of the extension. The phrase's neutral register makes it versatile and widely applicable. When writing, remember that "additional" denotes an extension, not an alternative. Ludwig examples reveal its frequency and authoritative usage.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
for a further two weeks
Replaces "additional" with "further", offering a slightly more formal tone.
for another two weeks
Substitutes "additional" with "another", maintaining a similar meaning with a simpler expression.
for two more weeks
Reorders the words while keeping the meaning nearly identical, offering a more concise phrasing.
for an extra two weeks
Uses "extra" in place of "additional", offering a more casual alternative.
extending it by two weeks
Shifts the structure to emphasize the act of extension, rather than the duration itself.
prolonging it for two weeks
Uses "prolonging" to highlight the action of lengthening the period, adding a touch of formality.
continuing for two more weeks
Focuses on the continuation aspect, implying the extension rather than directly stating it.
for a supplementary two weeks
Replaces "additional" with "supplementary", which adds a more formal and technical tone.
extending the period by two weeks
Clarifies that it's a period being extended, useful for avoiding ambiguity.
postponing the deadline by two weeks
Indicates the action of delaying the deadline, slightly changing the context.
FAQs
How do I use "for an additional 2 weeks" in a sentence?
You can use "for an additional 2 weeks" to specify the length of an extension. For example, "The study will be extended "for an additional 2 weeks" to gather more data."
What can I say instead of "for an additional 2 weeks"?
You can use alternatives like "for another two weeks", "for a further two weeks", or "for two more weeks", depending on the context.
Which is correct, "for additional 2 weeks" or "for an additional 2 weeks"?
"For an additional 2 weeks" is the correct phrasing. The indefinite article "an" is necessary before "additional" because it modifies a singular noun phrase.
What's the difference between "for an additional 2 weeks" and "in the following 2 weeks"?
"For an additional 2 weeks" means extending a period by two weeks. "In the following 2 weeks" refers to a specific two-week period after a certain event.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested