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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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for an additional 2 weeks

Grammar usage guide and real-world examples

USAGE 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

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

Metabolism

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

Plosone

Birds were allowed to adjust to the divider for an additional 2 weeks (Fig. 1).

Science

Plosone
Show more...

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

The New York Times

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.

An Iraq war financing bill approved by the Senate includes a provision that would extend cash benefits for an additional 13 weeks.

News & Media

The New York Times

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 New York Times

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

The New York Times
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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Common

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.

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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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: