Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a period for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a period for" is correct and usable in written English.
It can be used to refer to a specific duration of time allocated for a particular purpose or activity. Example: "We have set a period for the project completion to ensure timely delivery."
✓ Grammatically correct
News & Media
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
58 human-written examples
The function is periodic in with a period for each represented by the Fourier series.
There was also a period for "Comments and Reactions".
News & Media
How I haven't had a period for ages.
News & Media
By the time I started university in 1997, I hadn't had a period for a year.
News & Media
It is a period for government review, not for public comments.
News & Media
After a period for lawyers for the families to respond, a hearing will be scheduled.
News & Media
"It's a period for Brendan and the team when they're evolving and when they're evolving they're vulnerable.
News & Media
The twin bombings came on the eve of Ramadan, the Muslim holy month, a period for which American officers say they are preparing for a surge of violence.
News & Media
And because most competitions include a period for community comment, "competitions require architects to speak the public's language," Mr. Kroloff said.
News & Media
The attack came on the eve of Ramadan, the Muslim holy month, a period for which American officers say they are preparing for a surge in violence.
News & Media
But even so, it says, three years is too long a period for Israel to remove its military from the West Bank and Gaza.
News & Media
Expert writing Tips
Best practice
When using "a period for", ensure the context clearly specifies what the period is intended for, avoiding ambiguity. For instance, specify "a period for public comment" or "a period for government review".
Common error
Avoid using "a period for" without clearly defining its start and end, which can lead to confusion if timeframes overlap or are not distinctly delineated.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a period for" functions as a prepositional phrase specifying a timeframe or duration assigned to a particular activity or purpose. It frequently introduces clauses that describe the purpose of the period, as seen in examples provided by Ludwig.
Frequent in
News & Media
65%
Science
25%
Formal & Business
5%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
1%
Ludwig's WRAP-UP
In summary, "a period for" is a versatile phrase used to designate a specific duration assigned to an activity. As Ludwig AI confirms, it is grammatically correct and commonly used in diverse contexts, including news, science, and business. When using this phrase, clearly define the timeframe's purpose to avoid ambiguity. Alternatives such as "a duration for" or "a timeframe for" can be used to subtly alter the emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a duration for
Replaces "period" with "duration", emphasizing the length of time.
a time frame for
Substitutes "period" with "time frame", focusing on the temporal boundaries.
a phase for
Replaces "period" with "phase", suggesting a distinct stage within a larger process.
an interval for
Substitutes "period" with "interval", highlighting a space or gap in time.
a window for
Replaces "period" with "window", indicating a specific opportunity or limited time.
a timeframe allocated to
Rephrases to emphasize allocation of time for a specific purpose.
a span dedicated to
Highlights the dedication of a certain time "span" to an activity.
a stretch intended for
Uses "stretch" to represent a continuous period designated for something.
a term designated for
Emphasizes the "term" or length that is specifically assigned.
a cycle reserved for
Cycles suggest a repeating series of occurrences in specified "period".
FAQs
How can I use "a period for" in a sentence?
You can use "a period for" to specify a duration allocated for a particular activity, such as "There will be "a period for" questions after the presentation" or "The contract includes "a period for" revisions".
What phrases are similar to "a period for"?
Similar phrases include "a duration for", "a timeframe for", or "a window for", each emphasizing the length or opportunity associated with a given time.
Is it correct to say "a period for review"?
Yes, "a period for review" is correct and commonly used to denote a specific time allocated for reviewing documents, proposals, or other materials. The phrase is widely accepted and used in formal and informal contexts.
What's the difference between "a period for" and "during"?
"A period for" defines the length of time something is intended to be. "During" indicates when something happens in time, so use ""a period for" review" to define a timeframe assigned for revisions, but use "during the meeting" to specify when revisions will occur.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested