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
i investigate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I investigate" is correct and usable in written English.
It can be used when describing the action of examining or inquiring into a subject or situation, often in a formal or professional context. Example: "As a journalist, I investigate various social issues to uncover the truth behind the stories."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
59 human-written examples
Results allow to: (i) investigate the performance of the barriers in service condition; (ii) provide an estimate of the barrier capacity and (iii) explore the barrier failure mode.
Science
To: (i) investigate the development of smoking and snus use among Norwegian adolescents, and (ii) describe the users in each group.
Science
Did I investigate the federal government?
News & Media
I investigate a memorial in the form of a more traditional grave.
News & Media
Abject, I investigate its dereliction, wandering through damp and fetid corridors.
News & Media
I investigate highland games in Germany and Scottish clubs in eastern Europe.
News & Media
I wouldn't want to lose one offer while I investigate others.
News & Media
Did I investigate camps in which Serbian prisoners had been detained?
News & Media
It is while chopping onions and crushing garlic that I investigate high-level corruption and human rights abuses in Angola.
News & Media
Hellbent on working the phrase "doolally for Mullally" into my piece, I investigate a geometric concrete building nearby.
News & Media
Through the testimonies of 10 "sertanistas" and two indigenous leaders, I investigate the violence against indigenous peoples during the dictatorship - 1964-1985 - that affects contemporary territorial struggles.
News & Media
Expert writing Tips
Best practice
When using "I investigate", ensure the context clearly defines the subject of your investigation. Be specific about what you are examining or inquiring into.
Common error
Avoid using "I investigate" in overly casual or informal settings. Opt for alternatives like "I'm checking out" or "I'm looking into" to maintain a more appropriate tone.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I investigate" functions as a declarative statement where the speaker (I) is the subject, and the verb investigate indicates the action they are performing. The phrase declares an intention or current activity of examining something systematically.
Frequent in
Science
53%
News & Media
39%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "I investigate" is a commonly used and grammatically correct expression, according to Ludwig, indicating a formal or systematic inquiry. Predominantly found in scientific and news contexts, it conveys a sense of thoroughness and purpose. While versatile, it's best suited for neutral to formal settings and should be avoided in overly casual conversations. Consider alternatives like "I am researching" or "I am examining" to fine-tune your tone and context. Understanding its appropriate usage ensures clear and effective communication across various writing scenarios. Furthermore, this expression must always be used to present a reasoned approach to scrutinizing some kind of subject.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I am examining
Focuses on a detailed inspection or analysis of something.
I am researching
Emphasizes the systematic study and gathering of information.
I am analyzing
Highlights the process of breaking down a subject into its components for closer scrutiny.
I am exploring
Suggests a more open-ended and less structured approach to inquiry.
I am studying
Implies a formal or academic approach to learning about something.
I am delving into
Implies a deep and thorough exploration of a topic.
I am inquiring into
Suggests a formal or official investigation.
I am probing
Suggests a careful and thorough investigation to uncover hidden information.
I am scrutinizing
Highlights a very careful and critical examination.
I am checking out
Suggests a casual or informal investigation.
FAQs
What are some alternatives to "I investigate"?
Depending on the context, you can use phrases like "I am researching", "I am examining", or "I am analyzing".
How does the formality of "I investigate" compare to similar phrases?
"I investigate" is generally more formal than phrases like "I'm looking into" or "I'm checking out". It's suitable for academic, professional, and news contexts.
In what situations is it best to use "I investigate"?
Use "I investigate" when you want to convey a sense of thoroughness, formality, and systematic inquiry, especially in writing for academic, scientific, or professional audiences. It is suitable when used in formal contexts, as showed by Ludwig.
What is the difference between "I investigate" and "I am researching"?
While both imply inquiry, "I investigate" suggests a more specific, focused examination, while "I am researching" often indicates a broader, more comprehensive study.
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
4.5/5
Expert rating
Real-world application tested