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 this
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "investigated this" is correct and usable in written English.
It can be used when referring to the act of examining or researching a specific subject or issue. Example: "The committee investigated this matter thoroughly before reaching a conclusion."
✓ Grammatically correct
Science
News & Media
Alternative expressions(6)
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
Woody's imagination had investigated this.
News & Media
Ms Ho investigated this further.
News & Media
"They should have investigated this on their own".
News & Media
Previous studies have investigated this question by analysing employment data.
News & Media
Of a woman's big bust: "Woody's imagination had investigated this".
News & Media
For the worst forces investigated, this figure rose to two-fifths.
News & Media
"We investigated this case and expected it to go to trial," Dalton told me.
News & Media
We have thoroughly investigated this and found that we were not at fault on this occasion.
News & Media
"We have thoroughly investigated this matter," he read to the room.
News & Media
A number of studies have investigated this, and, not surprisingly, estimates vary.
News & Media
The SC [Supreme Court] team has investigated this.
News & Media
Expert writing Tips
Best practice
When using "investigated this", ensure the context clearly indicates what "this" refers to. Avoid ambiguity by explicitly stating the subject of the investigation in the preceding sentence or clause.
Common error
Avoid using "investigated this" without a clear antecedent for "this". Ensure that the subject being investigated is explicitly mentioned to prevent confusion.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "investigated this" functions as a verb phrase, indicating an action of inquiry or examination. As Ludwig AI indicates, it refers to a previous subject, implying that some form of scrutiny or research has been conducted. Its use often suggests a formal or systematic approach to understanding a specific issue.
Frequent in
Science
42%
News & Media
40%
Formal & Business
18%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "investigated this" is a grammatically correct and very common way to refer to a previously mentioned subject that has been examined. As per Ludwig AI, its function is to indicate an action of inquiry or examination, often in a neutral to formal context. It appears most frequently in scientific and news-related contexts. When using this phrase, ensure that "this" has a clear antecedent to avoid ambiguity. Consider alternatives such as "looked into this" or "examined this matter" for slight variations in tone or emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
looked into this
Replaces "investigated" with a more informal synonym, suggesting a less formal examination.
examined this matter
Substitutes "investigated" with "examined", adding "matter" to explicitly refer to the subject of investigation.
explored this issue
Uses "explored" instead of "investigated", suggesting a broader and more exploratory approach.
researched this topic
Replaces "investigated" with "researched", implying a more academic or systematic inquiry.
studied this phenomenon
Uses "studied" to replace "investigated", focusing on a scientific or academic analysis of a phenomenon.
analyzed this data
Substitutes "investigated" with "analyzed", indicating a careful and detailed examination of data.
inquired into this
Replaces "investigated" with "inquired", suggesting a formal questioning or examination.
probed this situation
Uses "probed" instead of "investigated", indicating a deep and thorough examination of a situation.
reviewed these findings
Replaces "investigated" with "reviewed", implying a critical assessment of existing findings.
scrutinized this evidence
Uses "scrutinized" to replace "investigated", highlighting a careful and critical examination of evidence.
FAQs
What does "investigated this" mean?
The phrase "investigated this" means to have conducted a systematic or formal inquiry to discover and examine the facts of an incident, allegation, etc. to establish the truth.
What can I say instead of "investigated this"?
You can use alternatives like "looked into this", "examined this matter", or "researched this topic" depending on the context.
How is "investigated this" used in a sentence?
The phrase "investigated this" is typically used to refer back to a specific subject or issue that has already been mentioned. For example, "The committee reviewed the documents and then investigated this matter thoroughly."
Is it appropriate to start a sentence with "investigated this"?
No, it is not appropriate to start a sentence with "investigated this" because "this" requires a prior reference. You should always provide context before using "this".
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested