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
to keep observing
Grammar usage guide and real-world examplesUSAGE SUMMARY
"to keep observing" is correct and usable in written English.
This phrase could be used in any context in which someone is asked to continue to watch and study something. For example: "The researcher was instructed to keep observing the behavior of the chimpanzees in order to draw conclusions about their communication patterns."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(15)
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
8 human-written examples
This could be put down to poor allied communications, or to a jittery White House not trusting the British to keep observing a plot that was not yet fully mature, but which looked extremely dangerous.
News & Media
Opposition leaders begged protesters in Kiev to keep observing a truce with riot police late on Thursday night, after long talks with President Viktor Yanukovych ended without a major breakthrough.
News & Media
"You have to keep observing the way it's being played, and how younger guys or other players are doing things in your position, or the way the game's going.
News & Media
"It's just a tantalizing hint that the summer storms are starting," Turtle said, "but we'll have to keep observing to see".
News & Media
"I think the key here is to keep observing the region in exquisite detail, which we can do because of the powerful instruments on the Van Allen probes," Baker was quoted as saying.
News & Media
No specific interventions were made and clinicians intended to keep observing the cyst.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
During the hour-long discussions that followed, I kept observing more stars while carrying out preliminary analyses of the data at hand to ensure that this was a real signal.
The life-giving grail prolongs his pain, since he cannot die so long as he keeps observing its rituals.
News & Media
Mom keeps observing and saying, 'You've got your ring on backward, Bob.' " As Hope has increasingly retired from public life, Dolores has come forward into it.
News & Media
Therefore, from ancient times, each era had their specialists of astronomy such as … list of personal names)… These specialists kept observing whether the heavens were normal or abnormal.
Science
Earth's heat haze will most likely cause Mars to shimmer but if you keep observing for breaks in the shimmering, you'll get a few seconds here and there during which you can see the surface.
Wiki
Expert writing Tips
Best practice
When using "to keep observing", ensure the context implies a continuous or repeated action over a period of time, rather than a single instance. For example, "To keep observing the patient's vitals, nurses need to monitor them every hour."
Common error
Instead of saying "Data is to be kept observing", which is awkward, prefer the active voice: "Researchers must keep observing the data". This makes the instruction clearer and more direct.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to keep observing" functions primarily as an infinitive phrase expressing purpose or instruction. It outlines the intended action of continuously monitoring something. Ludwig confirms that the phrase is grammatically correct and suitable for use in written English.
Frequent in
News & Media
43%
Science
43%
Wiki
14%
Less common in
Academia
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "to keep observing" serves as an infinitive emphasizing the continuation of an action, typically watching or monitoring something closely. Ludwig confirms its grammatical correctness and usability in various writing contexts. Usage patterns indicate it's commonly found in news, media, and scientific reporting, highlighting its applicability across different domains. While interchangeable with alternatives like "continue monitoring" or "keep monitoring", "to keep observing" is useful when emphasizing the ongoing nature of the observation, helping readers understand the need for constant attention or surveillance in the given context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
keep monitoring
Equivalent in meaning to "continue monitoring", offering a more concise alternative.
continue monitoring
Similar to "continue to monitor" but slightly more concise and direct.
continue to monitor
Focuses on the act of monitoring over a period of time; less emphasis on visual aspect.
continue to watch
Focuses on the visual aspect of observing, without necessarily implying detailed analysis.
persist in observing
Emphasizes the persistence required in the act of observing, implying challenges.
maintain observation
Highlights maintaining a state of observation, rather than initiating or continuing it.
prolong observation
Highlights extending the duration of observation to learn new and important features or effects.
sustain surveillance
Implies a more formal and potentially secretive type of observation; used often in security contexts.
extend the observation period
More explicit and formal; specifies the duration of observing something.
keep an eye on
Informal and idiomatic; focuses on watching something closely, often for security.
FAQs
How can I use "to keep observing" in a sentence?
You can use "to keep observing" in sentences where you want to express the continuation of watching something, such as "Scientists need "to keep observing" the effects of climate change on the polar ice caps".
What are some alternatives to "to keep observing"?
Some alternatives include "continue monitoring", "keep monitoring", or "continue to watch", depending on the specific nuance you want to convey.
Is there a difference between "to keep observing" and "to continue observing"?
While both phrases are similar, "to keep observing" implies a more consistent and habitual action, while "to continue observing" simply means to carry on observing from a certain point. Context often determines the best choice.
When is it appropriate to use "to keep observing" in formal writing?
It is appropriate in formal writing, especially in scientific or technical contexts, where consistent monitoring and observation are crucial. For instance, "The research team was instructed "to keep observing" the reactions for any anomalies".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested