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
investigated them
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "investigated them" is correct and usable in written English.
It can be used when referring to the act of examining or inquiring into a person or group, often in a formal or legal context. Example: "The authorities investigated them for potential involvement in the crime."
✓ Grammatically correct
News & Media
Science
Alternative expressions(5)
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
57 human-written examples
In order to facilitate investigation of future therapies for the tumours in Men1+/− mice, we investigated them for SSTR2 (Fig. 5B) and VEGF-A (Fig. 5C) expression.
Science
"We had investigated them back in 2009.
News & Media
His agents handcuffed Wall Street arbitrageurs before prosecutors investigated them.
News & Media
In June, Mr. Bloomberg said his company took misconduct allegations very seriously and investigated them.
News & Media
Presidents Nixon, Reagan, and Clinton all denigrated the counsels who investigated them.
News & Media
Mr. Bloomberg said the company took misconduct allegations very seriously and investigated them thoroughly.
News & Media
Republicans in Congress have investigated them while other Republicans have appealed to the Federal Election Commission.
News & Media
Yet no one ever joins up the dots and says it is time we investigated them nationally.
News & Media
The two others have remained in Haitian custody as the judge in their case investigated them further.
News & Media
But one of Britain's top officers has criticised Hayman for dining with News International executives as his force investigated them for alleged criminal offences.
News & Media
Over and over again, when someone acts out, the FBI has already investigated them, so clearly the FBI has all the authority they need," German said.
News & Media
Expert writing Tips
Best practice
When using "investigated them", ensure the context clearly indicates who conducted the investigation and what the scope of the investigation was. Specificity enhances clarity and credibility.
Common error
Avoid using "investigated them" in very casual conversations or writing; alternatives like "looked into them" or "checked them out" may be more appropriate.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "investigated them" functions as a verb phrase, where "investigated" is the transitive verb indicating an inquiry or examination, and "them" is the pronoun acting as the direct object. Ludwig AI confirms its common usage in various contexts.
Frequent in
News & Media
43%
Science
40%
Wiki
3%
Less common in
Formal & Business
4%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "investigated them" is a grammatically correct and frequently used verb phrase, primarily functioning to indicate a formal inquiry or examination. As Ludwig AI confirms, its versatility spans across various contexts, with a noticeable prevalence in news and media, as well as in scientific domains. The phrase maintains a neutral to formal register, making it suitable for professional communications and academic writing. While "investigated them" is widely applicable, it is important to be mindful of the register and choose alternative phrases like "looked into them" in more informal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
examined them
Focuses more on visual or detailed inspection rather than a formal inquiry.
looked into them
Implies a less formal and perhaps preliminary inquiry.
inquired into them
More formal way of saying "looked into them".
studied them
Suggests a more academic or in-depth analysis.
researched them
Implies a systematic investigation, often for academic or scientific purposes.
scrutinized them
Implies a very careful and critical examination.
probed them
Suggests a deep and thorough investigation, often looking for hidden issues.
assessed them
Focuses on evaluating the qualities or value of something.
checked them out
Informal; implies a quick or cursory examination.
surveyed them
Suggests a broad but perhaps less detailed examination.
FAQs
How can I use "investigated them" in a sentence?
You can use "investigated them" to describe a formal inquiry or examination, as in "The police "investigated them" for fraud" or "Scientists "investigated them" to understand the new virus strain".
What are some alternatives to "investigated them"?
Depending on the context, you can use alternatives like "examined them", "looked into them", or "researched them".
When is it appropriate to use "investigated them" instead of "checked them out"?
"Investigated them" is more appropriate in formal or serious contexts, such as legal or scientific inquiries. "Checked them out" is suitable for informal situations where a quick look is sufficient.
What is the difference between "investigated them" and "scrutinized them"?
"Investigated them" implies a general inquiry, while "scrutinized them" suggests a very detailed and critical examination, often looking for flaws or inconsistencies.
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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested