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
some days a week
Grammar usage guide and real-world examplesUSAGE SUMMARY
"some days a week" is a correct and usable phrase in written English.
You can use it when you want to talk about an activity that happens on multiple days throughout the week. For example, "I go to the gym some days a week to stay in shape."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
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
2 human-written examples
Four alternative answers were available; "Every day"; "Some days a week"; "More seldom" and "Never".
I've been working there for almost 2 years, spending some days a week at CMBI and the other days at Organon.
Science & Research
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The report raises issues similar to those in a New York Times investigation of Apple's Chinese suppliers nearly three years ago, which found that "[e]mployees work excessive overtime, in some cases seven days a week," and that some workers "say they stand so long that their legs swell until they can hardly walk".
News & Media
LaHood said a majority of the FAA's 47,000 employees, including air traffic controllers, would face furloughs of one day a week and, in some cases, two days a week, to close a $1 billion hole sequester would create in the Department of Transportation's budget.
News & Media
Employees work excessive overtime, in some cases seven days a week, and live in crowded dorms.
News & Media
The additional spending will go toward reducing school class sizes, reopening some libraries seven days a week, and providing legal services to the poor, job training for the long-term unemployed and day care for children.
News & Media
Mr. Takano, the McDonald's manager, said he had been working from 6 a.m. to 1 a.m. managing two stores before his lawsuit, in some cases seven days a week.
News & Media
Problems are as varied as onerous work environments and serious — sometimes deadly — safety problems: Employees work excessive overtime, in some cases seven days a week, and live in crowded dorms.
News & Media
"Employees work excessive overtime, in some cases seven days a week, and live in crowded dorms," the Times reported.
News & Media
You should give yourself off days for more strenuous workouts, but don't be afraid to do at least some exercise seven days a week.
Wiki
CHWs and trained TBAs spend some days in a week working with health center staff at facilities.
Science
Expert writing Tips
Best practice
Use "some days a week" to indicate a non-specific frequency of activity, suggesting it happens more than rarely but not on most days.
Common error
Avoid relying solely on vague phrases like "some days a week". Provide more specific information if possible to give your reader a clearer picture of the frequency.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "some days a week" functions as an adverbial phrase of frequency, modifying verbs to indicate how often an action occurs. It specifies that the action happens on multiple, but not all, days within a given week. Ludwig shows examples of its use in describing work schedules or routines.
Frequent in
News & Media
42%
Science
33%
Wiki
11%
Less common in
Formal & Business
3%
Academia
3%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "some days a week" is a grammatically correct adverbial phrase used to indicate a non-specific, recurring frequency of an action within a week. As Ludwig AI confirms, it is a perfectly acceptable and usable phrase in written English. While not as common as more specific frequency adverbs, its neutral register makes it suitable for a variety of contexts, particularly in news, science, and general conversation. It's important to use it when a general sense of frequency is desired, but consider providing more specific details when precision is necessary. Examples from Ludwig's search results showcase its usage in describing work schedules, exercise routines, and other recurring activities.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
several days a week
Indicates more than two days, implying a higher frequency than "some days a week".
a few days per week
Similar to "some days a week", but emphasizes a smaller quantity of days.
on occasion during the week
Less specific about the frequency, suggesting it happens sporadically.
certain days of the week
Highlights the selection of specific days rather than just the quantity.
a couple of days a week
Specifies exactly two days per week.
various days each week
Emphasizes the variability of the days involved.
sporadically throughout the week
Suggests irregular and infrequent occurrences.
at times during the week
Similar to "on occasion", implying an inconsistent schedule.
periodically during the week
Implies regular intervals, but not necessarily on a set schedule.
on select weekdays
Focuses on weekdays only, excluding weekends.
FAQs
How can I use "some days a week" in a sentence?
Use "some days a week" to describe activities or events that occur on an unspecified number of days within a week. For example, "I work from home "some days a week" to avoid the commute".
What's the difference between ""some days a week"" and "every day"?
"Some days a week" implies that an activity doesn't happen every single day, whereas "every day" indicates a daily occurrence.
What are some alternatives to saying ""some days a week""?
Depending on the context, you could use phrases like "several days a week", "a few days per week", or "occasionally during the week".
Is it more appropriate to use ""some days a week"" or "sometimes during the week"?
"Some days a week" is more direct and clearly indicates a recurring event within each week. "Sometimes during the week" is less specific about the frequency.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested