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
does he investigate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "does he investigate" is correct and usable in written English.
You can use it when inquiring about whether a specific person is conducting an investigation or looking into a matter. Example: "In the case of the missing documents, does he investigate the potential leads?"
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
what does he require
does he have
classification he needs
nevertheless he needs
must he have it
does he get
does he collect
does he live
does he love
does he deserves
does he regret
what are his requirements
does he rent
does he play
What are his necessities
does he remember
What is essential for him
Is there anything he lacks
does he suffer
agreement he needs
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
1 human-written examples
Does he investigate it?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Nor did he investigate it.
News & Media
Did he investigate the world of male prostitution for the book?
News & Media
At no point after the defence had given him Pistorius's number did he investigate that further.
News & Media
Did he investigate, check dates, banks or just anything resembling research?
News & Media
Does he agree and will he investigate Sir David Nicholson's comments?
News & Media
Nor did he endeavour to investigate the extent of the hacking on the paper.
News & Media
And in doing so, he investigates the nature of the novel.
News & Media
What he does is investigate and report to the government on his investigations".
News & Media
How do they investigate claims or assertions for their articles?
News & Media
He says now he can't believe he was so gullible, that he didn't investigate it more.
News & Media
Expert writing Tips
Best practice
Use "does he investigate" when seeking confirmation or clarification about an investigative action, particularly when the subject's involvement is uncertain.
Common error
Avoid using "does he investigate" when the intended meaning is whether someone is overseeing or supervising a process, rather than actively looking into a specific issue. Instead of asking "does he investigate the team's progress?", ask "does he supervise the team's progress?"
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "does he investigate" functions as an interrogative clause, specifically a polar question. It seeks a yes/no answer regarding whether a male individual engages in the act of investigating. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "does he investigate" serves as a grammatically correct and versatile interrogative used to inquire about an individual's investigative actions. Ludwig AI confirms its usability in written English. Its presence across news, media and scientific domains demonstrates its broad applicability. When employing this phrase, ensure the context offers clarity about the subject and scope of the investigation. For more formal scenarios, consider alternatives like "is he conducting an inquiry?", while for informal uses, "did he look into it?" may suffice.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is he investigating
Changes the tense to present continuous, emphasizing the ongoing nature of the investigation.
did he look into
Uses a phrasal verb instead of "investigate", focusing on a preliminary examination.
has he examined
Replaces "investigate" with "examined", suggesting a detailed inspection.
will he probe
Shifts to a future tense, inquiring about a potential future investigation.
is he probing
Uses present continuous form of "probe", suggesting an ongoing inquiry.
does he inquire into
Replaces "investigate" with "inquire into", focusing on asking questions and gathering information.
did he check out
Uses the phrasal verb "check out" emphasizing an inspection of something.
has he researched
Substitutes "investigate" with "researched", implying a deeper, more academic approach.
is he conducting an inquiry
Rephrases the question to use "conducting an inquiry", a more formal alternative.
will he carry out an investigation
Rephrases the question to use "carry out an investigation", indicating a future, planned inquiry.
FAQs
How can I rephrase "does he investigate" to sound more formal?
For a more formal tone, consider using phrases like "is he conducting an inquiry", or "is he undertaking an investigation".
What's the difference between "does he investigate" and "is he investigating"?
"Does he investigate" generally inquires about a habitual or recurring action, while "is he investigating" refers to an action happening now. For example, "Does he investigate all claims?" vs. "Is he investigating the current claim?"
When is it better to use "did he investigate" instead of "does he investigate"?
Use "did he investigate" when referring to a specific past event. For example, "Did he investigate the incident last week?" instead of "Does he investigate the incident last week?".
What are some less formal alternatives to "does he investigate"?
In less formal contexts, you might ask "did he look into it?", "did he check it out?", or simply "does he look into that?".
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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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested