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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
in that week
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in that week" is correct and usable in written English.
You can use it to refer to a specific week in the past, present, or future. For example, "I am looking forward to my vacation next week, especially since I haven't taken a day off in that week."
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(20)
over the weekday
over the round
that particular week
over the night
over the period
over the year
during the week
over that week
over the day
in that month
within the week
over the saturday
over the week
over the schedule
during that week
in the course of that week
within that week
in each week
in that hour
in that year
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
"He called a play that we didn't have in that week.
News & Media
Each week USPTO releases a zipped file of all patents accepted in that week.
Science & Research
Intelligence agencies late in that week began to raise questions about the assessment.
News & Media
It contained a broader truth but in that week was a hideous lie.
News & Media
Does getting a number one in that week count for anything?
News & Media
Of course, you didn't throw a nickel in that week, did you?
News & Media
"If you're on, and you have some breaks in that week, anybody can win".
News & Media
A week went by, and in that week the job neared completion.
News & Media
Anything not sold in that week – a very rare occurrence – is frozen for sale in future weeks.
Academia
"I made it clear in that week to people in government and outside I thought that was the wrong plan.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
The numbers that came in [that] week combined with the astounding launch results in the US [told] us that the virus is now out of control".
Wiki
Expert writing Tips
Best practice
Use "in that week" to refer back to a previously mentioned week, ensuring clarity in your writing. It's especially helpful when discussing events that occurred within a specific timeframe.
Common error
Avoid using "in that week" interchangeably with phrases like "last week" or "next week" if the week you're referring to isn't immediately clear from the context. Using a more specific reference can prevent confusion.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in that week" functions as an adverbial phrase, modifying a verb or clause by specifying the time frame in which an action occurred or a state existed. Ludwig AI confirms that the phrase is correct and usable.
Frequent in
News & Media
68%
Academia
16%
Wiki
8%
Less common in
Science
6%
Formal & Business
4%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "in that week" is a common and grammatically correct way to provide a specific temporal reference. As demonstrated by Ludwig, this phrase is primarily found in news and media, but also appears in academic and wiki contexts. It helps clarify when an event occurred relative to a specific week already established. Alternatives such as "during that week" or "within that week" offer slight variations in emphasis. Using "in that week" effectively requires ensuring the context makes the intended week clear to avoid ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
during that week
Replaces "in" with "during", emphasizing the continuous nature of the timeframe.
within that week
Implies something happened before the week concluded.
that particular week
Adds emphasis to the specificity of the week being referenced.
that week itself
Highlights the week as a distinct and noteworthy period.
throughout that week
Similar to "during that week", but can also suggest events spanning the entire week.
over that week
Slightly more informal, indicating a period spanning the week.
in the course of that week
A more formal and descriptive way of saying "during that week".
that seven-day period
Replaces "week" with a more explicit description of the timeframe.
during those seven days
Highlights a period of seven days in question.
that week in question
Emphasizes the week under discussion or consideration.
FAQs
How can I use "in that week" in a sentence?
You can use "in that week" to specify when something occurred within a particular week already referenced. For instance, "The project was initiated the week before, and the first milestone was completed "in that week"".
What phrases are similar to "in that week"?
Similar phrases include "during that week", "within that week", or "throughout that week". The best choice depends on the specific nuance you want to convey.
Is it ever incorrect to use "in that week"?
While grammatically correct, "in that week" can be vague if the week you're referencing hasn't been clearly established. Make sure the context makes it obvious which week you're talking about.
What's the difference between "in that week" and "that week"?
"That week" often implies the current week under discussion, whereas "in that week" usually refers back to a week previously mentioned. Using "in" provides extra emphasis of the timeline.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested