after certain weeks

USAGE SUMMARY

The phrase "after certain weeks" is correct and usable in written English.
It can be used to indicate a specific time frame or period that follows a number of weeks, often in contexts related to schedules or timelines. Example: "After certain weeks of training, the participants began to show significant improvement in their skills."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

Since PSA expression was not monitored in this study and no baseline [11C]choline uptake in the cells could be measured, it could be questioned whether androgen-sensitive cells grown under AD developed a truly androgen-sensitive solid tumour after certain weeks.

EJNMMI Research

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Discounts are available for certain weeks.

The New York Times - Travel

"Unfortunately, you have to cancel projects if they don't work after a certain time, usually several weeks or months," said Tong. "There are no bad ideas, only bad execution.

TechCrunch

Doctors thought she was certain to die, but after six weeks, Theresa De Vera stunned them all when she woke up one day.

Huffington Post

After six weeks, JSs are given certain post-initial training privileges – they can see their family again, for instance, leave the camp unaccompanied, use their own bedding – and the boys take this opportunity to buy each other My Little Pony duvet sets that they neatly fold and arrange for inspection each day.

Vice

But nothing was certain, not after a week in which his confidence soared and plummeted as he struggled to outnegotiate a rival.

The New York Times - Sports

The trouble with any new enterprise is that after a certain number of days or weeks, it stops feeling so, well, new.

The Guardian - Lifestyle

Different feeds will recommend changing types after a certain amount of time (6 weeks, 3 months, etc).. Introduce the chicks to the flock.

WikiHow

Also the mechanism of IOP reduction after prostaglandin analogue requires certain time (1 2 weeks) for the establishment of the potency of the drug.

BMC Ophthalmology

That we did see certain effects already at this level and after 3 weeks seems to justify our decision.

Diabetes Care

He said that the Court couldn't presume to know how to spot or weigh these things better than the people running our prisons could — an odd admission after a week in which certain Justices have seemed sure of themselves to a fault.

The New Yorker

Expert writing Tips

Best practice

When using "after certain weeks", ensure the context clearly indicates which weeks are being referenced, or use a more specific phrase like "after the first few weeks".

Common error

Avoid using "after certain weeks" when the specific weeks are unclear or undefined. This can lead to confusion and ambiguity in your writing. Be specific or use alternatives like "after a few weeks".

Linguistic Context

The phrase "after certain weeks" functions as a prepositional phrase modifying a verb or noun. It specifies the timing of an event or action. According to Ludwig AI, this phrase is grammatically correct.

Expression frequency: Rare

Frequent in

News & Media

33%

Science

33%

Wiki

33%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "after certain weeks" is a grammatically sound prepositional phrase used to specify a point in time following an unspecified number of weeks. Ludwig AI confirms its correctness. Although relatively rare, the phrase appears across various contexts, including News & Media, Science, and Wiki, indicating a generally neutral register. When using this phrase, ensure clarity by defining or implying which "certain weeks" are being referenced. Alternatives like "after a few weeks" or "following several weeks" may offer greater specificity or formality depending on the writing context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

after a few weeks

Replaces "certain" with "a few", indicating a non-specific, short duration.

following several weeks

Uses "following" instead of "after" and "several" instead of "certain", offering a slightly more formal tone.

after a number of weeks

Substitutes "certain" with "a number of", indicating an unspecified quantity of weeks.

after a defined period of weeks

Emphasizes that the period is pre-determined, adding a sense of formality.

subsequent to several weeks

Uses "subsequent to" for "after", resulting in a more formal and less common expression.

once some weeks have passed

Rephrases the sentence structure to focus on the passage of time.

once a few weeks have elapsed

Similar to the previous, but uses the word "elapsed" for more formal tone.

after an interval of weeks

Replaces "certain" with "an interval", specifying that there is a space in between two points in time.

at the end of several weeks

Expresses that something happens at the end of a period.

following a period of weeks

Similar to "following several weeks", but emphasizes that weeks are part of a period of time.

FAQs

How can I use "after certain weeks" in a sentence?

Use "after certain weeks" to indicate a period following a number of weeks, often in the context of a process or schedule. For instance, "After certain weeks of training, the participants showed improvement."

What are some alternatives to "after certain weeks"?

Alternatives include "after a few weeks", "following several weeks", or "after a number of weeks", depending on the context and desired level of formality.

When is it appropriate to use "after certain weeks"?

It's appropriate when you need to refer to a period following some weeks, especially when the exact number of weeks isn't crucial, but the fact that it's a multi-week duration is important. It indicates more than just "a week" or "some days".

Is "after certain weeks" formal or informal?

The phrase "after certain weeks" is relatively neutral and can be used in both formal and informal contexts, though more formal alternatives like "subsequent to several weeks" may be preferred in highly formal writing.