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
will have observed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "will have observed" is correct and usable in written English.
It is typically used to indicate that an observation will be completed at some point in the future, often in a context involving future perfect tense. Example: "By the time the conference ends, we will have observed significant changes in the industry."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(4)
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
15 human-written examples
"They will have observed the five-minute rule," she says.
News & Media
Since that time I have been suffering – you will have observed this already – from superlatives overload.
News & Media
The tuned-in reader will have observed the use of diva applied to female stars.
News & Media
As you will have observed, the contract was also co-signed by another Uefa director.
News & Media
By which point readers will have observed that Hall is not going for the Dirty Realist of the Year award.
News & Media
Those who regularly watch Barcelona's Lionel Messi, widely regarded as the contemporary game's greatest player, will have observed a note of candid helplessness creeping into the announcers' patter.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
Eagle-eyed readers will already have observed (and possibly commented) on the fact that I am not using a traditional tagine pot to make my recipe.
News & Media
People will already have observed local economic conditions and incorporated them into their decision of who they might vote for.
News & Media
In general we will not have observed Y1.
As with conventional fertilisers before the 19th century, though, no one knows exactly how they do work.Nor is it clear whether the early spurt of growth that Dr Khodakovskaya and Dr Biris have observed will translate into faster maturity or bigger crops.
News & Media
More likely, the genetic associations that we have observed will reflect subtle regulatory polymorphisms that lie outside the coding region and influence gene expression and possibly imprinting.
Science
Expert writing Tips
Best practice
Use "will have observed" to describe a future state where an observation has already been completed. This is particularly useful in predictive statements or when setting a future context based on completed actions.
Common error
Avoid using the simple future tense ("will observe") when you need to emphasize the completed action in the future. Using "will observe" can change the meaning to a simple future action rather than a completed one.
Source & Trust
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "will have observed" functions as a verb phrase in the future perfect tense, indicating that an action of observing will be completed by a specified time in the future. Ludwig provides examples showcasing its use in various contexts.
Frequent in
News & Media
40%
Science
40%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "will have observed" is a grammatically sound construction used to express the completion of an observation by a future point in time. Ludwig AI confirms its correct usage. While not as common as simpler alternatives like "will have seen", it offers a more formal and precise way to convey a completed action in the future. Its application spans various domains, including news, science, and general informational contexts, but it tends to lean towards neutral to formal registers. When using this phrase, ensure that the context genuinely requires emphasizing the completion of the observation, and consider whether a less formal alternative might be more appropriate for your audience.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
will have seen
A simpler and more general alternative to "will have observed".
will have noticed
Replaces "observed" with "noticed", implying a less formal and potentially more passive awareness.
will have noted
Replaces "observed" with "noted", suggesting a formal or recorded observation.
will have perceived
Substitutes "observed" with "perceived", suggesting a more interpretative or subjective observation.
will have detected
Replaces "observed" with "detected", implying that something was discovered or noticed, often something not immediately obvious.
will have examined
Replaces "observed" with "examined", emphasizing a more in-depth investigation.
will have witnessed
Substitutes "observed" with "witnessed", emphasizing a direct experience of seeing something happen.
will have monitored
Suggests a continuous and systematic observation over time.
will have inspected
Implies a careful and detailed observation, often for a specific purpose.
will have scrutinized
Suggests a very close and critical observation.
FAQs
How is "will have observed" used in a sentence?
The phrase "will have observed" indicates an action of observing that will be completed by a specific time in the future. For instance, "By the end of the experiment, the scientists "will have observed" significant changes in the subject's behavior".
What are some alternatives to "will have observed"?
Similar phrases include "will have noticed", "will have seen", or "will have detected", depending on the specific nuance you wish to convey. The choice depends on whether you want to emphasize a casual noticing, a simple visual experience, or the discovery of something previously unseen.
Is it more formal to say "will have observed" instead of "will have seen"?
"Will have observed" is generally more formal than "will have seen". "Observed" implies a more deliberate and attentive act of watching, while "seen" is more general. Use "will have observed" in academic, scientific, or formal business contexts for a more precise and professional tone.
What's the difference between "will observe" and "will have observed"?
"Will observe" refers to a future action of observing. "Will have observed", on the other hand, indicates that the action of observing will be completed by a certain point in the future. The latter emphasizes the completion of the action.
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
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested