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
we have investigated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence "we have investigated" is correct and usable in written English.
You can use this sentence whenever you need to express that you have performed an investigation or research of some kind. Example sentence: "We have investigated the situation thoroughly and can now confidently move forward."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
we examined
we explored
we analyzed
our investigation revealed
we looked into
we scrutinized
an analysis was undertaken
we have scrutinised
we assessed
we confirmed
we have corrected
we have revised
we have refurbished
we have taken
we have adapted
we have guaranteed
we have examined
we have adjusted
we have reengineered
we have explored
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
He added: "We have investigated the incident thoroughly but we did not get a result from that investigation".
News & Media
We have investigated.
We have investigated ATP control of helicase loading extensively.
We have investigated emails that the National Archives will never see.
News & Media
"We have investigated all the allegations of abuse at Guantánamo Bay and have dealt with them.
News & Media
In contrast we have investigated the characteristics of ~100 events across multiple sites.
Science & Research
Or Representative Charles B. Rangel, whose properties and tax issues we have investigated.
News & Media
In summary, we have investigated the electrical contact properties of PtSe2 channels by the TLM method.
Science & Research
We have investigated recrystallization of amorphous Yttrium Iron Garnet YIGG) by annealing in oxygen atmosphere.
Science & Research
To summarize our results, we have investigated a novel function of Ninj1 in pulmonary fibrosis.
Science & Research
We have investigated the role of LTBP in modulating TGF-beta generation by the integrin alphaVbeta6.
Academia
Expert writing Tips
Best practice
When using "we have investigated", clearly state the scope and methodology of your investigation to enhance credibility. For example, "We have investigated the effects of climate change using data from the past decade."
Common error
Don't use "we have investigated" without specifying the subject or outcome of the investigation. A vague statement like "We have investigated the matter" lacks substance. Instead, provide context: "We have investigated the claims and found no evidence of wrongdoing."
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "we have investigated" primarily functions as a declarative statement indicating that a process of inquiry or examination has been undertaken. Ludwig AI confirms this aligns with standard English grammar and usage across numerous examples.
Frequent in
Science
38%
News & Media
24%
Academia
23%
Less common in
Formal & Business
7%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "we have investigated" is a versatile and widely used expression to denote that a thorough examination or inquiry has been conducted. Ludwig AI confirms its grammatical correctness and common usage across various contexts. Predominantly found in scientific, news, and academic writing, it conveys a sense of diligence and credibility. When employing this phrase, it's crucial to clearly articulate the subject and methodology of the investigation to enhance clarity and impact. Alternatives such as "we examined" or "we analyzed" can be used to provide variety and nuance to your writing. By avoiding vagueness and providing specific details, you can effectively communicate the results and implications of your investigation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
we carried out an investigation
Replaces "have investigated" with a more explicit action of carrying out an investigation, adding emphasis to the procedural aspect.
we conducted an inquiry
Substitutes "investigated" with "conducted an inquiry", suggesting a formal and systematic examination.
our investigation revealed
Shifts the focus to the outcome of the investigation rather than the act itself, emphasizing the findings.
we looked into
Offers a more informal alternative to "investigated", suitable for less formal contexts.
we examined
Replaces "investigated" with "examined", indicating a careful and detailed inspection.
we scrutinized
Substitutes "investigated" with "scrutinized", implying a thorough and critical examination.
a study was performed by us
Involves a passive construction to emphasize the study itself, rather than the investigators.
we did research on
Indicates that research was conducted on a specific topic, slightly less formal than "investigated".
the matter was explored by us
Uses passive voice and substitutes "investigated" with "explored", suggesting a broad and open-ended inquiry.
an analysis was undertaken
Similar to "we conducted an inquiry", but uses a passive construction to emphasize the analysis.
FAQs
How can I use "we have investigated" in a sentence?
You can use "we have investigated" to introduce the fact that you or your team has conducted a thorough examination of something. For instance, "We have investigated the root cause of the problem and identified several potential solutions."
What are some alternatives to saying "we have investigated"?
You can use alternatives like "we examined", "we explored", or "we analyzed" depending on the specific nuance you want to convey.
Which is correct, "we have investigated" or "we investigated"?
Both "we have investigated" and "we investigated" are grammatically correct. "We have investigated" (present perfect) implies that the investigation has relevance to the present, while "we investigated" (simple past) simply states that the investigation occurred in the past.
What's the difference between "we have investigated" and "we are investigating"?
"We have investigated" means the investigation is complete, whereas "we are investigating" means the investigation is currently in progress. The choice depends on whether the investigation is finished or ongoing.
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
4.6/5
Expert rating
Real-world application tested