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
worked on for
Grammar usage guide and real-world examplesUSAGE SUMMARY
"worked on for" is correct and usable in written English.
You can use it to refer to an activity or project that is continuing over a period of time. For example, "We have been working on the project for the last six months."
✓ Grammatically correct
News & Media
Academia
Science
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
60 human-written examples
"Lost!" was one of the earliest songs the band worked on for the album.
Wiki
PDT has one open problem today that its people have worked on for four years.
News & Media
"Left-hand navigation we worked on for almost two years.
News & Media
Ask if you can keep examples of projects you have worked on for a portfolio.
Academia
A big topic in the book — something you've worked on for many years — is animal justice.
Academia
A lot of the things that we worked on for eight years have unraveled.
News & Media
My literary novel about death and grief, which I'd worked on for eight years, was a young adult book?
News & Media
It's something I have worked on for my whole career".
News & Media
Many scientists have worked on for the megacities to derive a driving cycle generally.
I've been revising a book I've worked on for fifteen years.
News & Media
"That was something that we have worked on for a couple weeks".
News & Media
Expert writing Tips
Best practice
Use "worked on for" to clearly indicate the duration of effort applied to a specific project or task. This helps provide context and emphasizes the time investment.
Common error
Avoid using "worked on for" without a clear subject performing the action or an object being acted upon. Ensure the sentence specifies who worked and what they worked on, maintaining clarity.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "worked on for" functions as a prepositional phrase that modifies a verb, indicating the duration of time spent on a particular task or project. Ludwig provides numerous examples showcasing its versatility in describing effort over time.
Frequent in
News & Media
55%
Academia
25%
Science
10%
Less common in
Wiki
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "worked on for" is a versatile prepositional phrase used to indicate the duration of time spent on a task or project. As Ludwig AI confirms, it's grammatically correct and widely accepted. Its frequent use across news, academic, and scientific sources demonstrates its applicability in various contexts. When using this phrase, ensure clarity by specifying both the subject performing the work and the object being worked on. Alternatives like "dedicated time to" or "invested effort in" can be used to add nuance. Remember to focus on what was specified in the prompt.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
invested effort in
Emphasizes the exertion of energy and resources into a project.
dedicated time to
Focuses more on the allocation of time, rather than the work itself.
spent time developing
Highlights the developmental aspect of the work.
focused energy on
Highlights the concentration of energy towards a specific goal.
labored over
Suggests a more arduous and intensive effort.
applied oneself to
Focuses on the personal commitment and diligence.
dedicated to
Suggests a strong sense of purpose and devotion to a specific cause or activity.
devoted resources to
Emphasizes the commitment of resources, both tangible and intangible.
committed to
Implies a pledge or dedication to a task or project.
endeavored to complete
Emphasizes the attempt or effort made to finish something.
FAQs
How can I use "worked on for" in a sentence?
Use "worked on for" to indicate the duration of effort invested in a project, for example, "She "worked on for" three years to complete her novel".
What are some alternatives to "worked on for"?
Alternatives include phrases like "dedicated time to", "invested effort in", or "spent time developing", depending on the nuance you wish to convey.
Is it correct to say "worked on it for"?
Yes, "worked on it for" is grammatically correct. For example, "I "worked on it for" six months".
What's the difference between "worked on for" and "worked at for"?
"Worked on for" refers to effort spent on a task or project, while "worked at for" typically describes employment duration at a company or in a role. For example, "She "worked on for" the design" versus "She "worked at for" a company for five years".
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested