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
have they completed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "have they completed" is correct and usable in written English.
It can be used when inquiring about the status of a task or project that someone was expected to finish. Example: "I wonder if they have completed the report on time."
✓ 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
5 human-written examples
Have they completed trips with travelers like yours?
News & Media
Have they completed end-of-life planning documents?
News & Media
"How can you do something interesting and how can you bring new life when the boundaries are so strictly drawn?" While they did not release — nor have they completed — a design, the architects did say that they had presented a modest model to the Barnes along with a Power Point presentation.
News & Media
The same considerations apply when an employee is taking annual leave; have they completed all outstanding work and, if not, can this be passed to someone else?
News & Media
In Greece, where typical 16-18 years-old adolescents have not yet entered the labour market, neither have they completed their education, own educational level or occupation cannot be used as a measure of personal social position.
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Had they completed that processing, they would have had enough plutonium to build six nuclear bombs.
News & Media
The producers hadn't started casting yet, nor had they completed the scripts.
News & Media
Dozens of pages later, they think they have completed market research for their business plan.
News & Media
Once they have completed their donations, they will die.
News & Media
But they have completed that work, and they should not be preserved in any form.
News & Media
Southwark say they have completed a risk assessment, so why had the LFB not seen it?
News & Media
Expert writing Tips
Best practice
When using "have they completed", ensure the context clearly indicates what "they" refers to and what task or project is being asked about.
Common error
Avoid using "have they completed" if the referent of "they" is ambiguous or unclear in the surrounding text. Always ensure that the reader can easily identify who "they" refers to.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have they completed" functions as an interrogative phrase used to inquire whether a specific task, project, or action has been finished by a particular group or individual. Ludwig AI indicates that is a usable and correct phrase.
Frequent in
News & Media
40%
Science
40%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "have they completed" is a grammatically sound and frequently employed interrogative structure used to inquire about the state of a task or project. According to Ludwig AI, it’s perfectly correct in written English. While not exceptionally common, with six exact examples, its utility spans diverse contexts such as news reporting, scientific discourse, and formal business communications. When using this phrase, ensure clarity regarding who "they" refers to. Alternatives include simpler questions like "did they finish?" or more formal inquiries such as "have they concluded?"
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Did they finish?
A simpler and more direct way to ask if something is completed.
Have they concluded?
Uses a more formal verb to inquire about completion.
Are they done yet?
An informal way to ask if something is finished.
Have they wrapped up?
Emphasizes the finality of completing a task.
Have they finalized it?
Focuses on the aspect of making something final or official.
Is it completed by them?
A passive voice construction of the original question.
Have they accomplished it?
Highlights the achievement aspect of completing something.
Have they seen it through?
Implies a commitment to finish something despite challenges.
Have they executed the plan?
Specifically asks about the completion of a plan's execution.
Have they brought it to fruition?
A more elaborate way of asking if something has been fully realized or completed.
FAQs
How can I rephrase "have they completed" in a formal context?
In a formal setting, you can use phrases like "have they concluded", "have they finalized", or "have they accomplished it".
What's a more casual alternative to "have they completed"?
For informal conversations, you might ask "did they finish?" or "are they done yet?"
How does "have they completed" differ from "did they complete"?
"Have they completed" implies a focus on the present relevance of the completion, while "did they complete" simply asks about a past action. For example, "Have they completed the report yet?" suggests you need the report now. "Did they complete the report last week?" only asks about a past event.
Is "have they completed" grammatically correct?
Yes, "have they completed" is grammatically correct. It uses the present perfect tense to inquire about an action's completion up to the present moment.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested