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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could have been altered
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could have been altered" is correct and usable in written English.
It can be used to suggest that something was possible to change or modify in the past but did not happen. Example: "The final report could have been altered to include more recent data, but the deadline was too tight."
✓ Grammatically correct
News & Media
Science
Alternative expressions(16)
could have been attributed
potentially undergone changes
might have been caused by
may have stemmed from
could be explained by
might be due to
can be ascribed to
can be credited to
could have been perceived
could have been generated
could have been torpedoed
could have been killed
could have been given
could have been funny
could have been rested
could have been predicted
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
25 human-written examples
"They've been stolen and copied, so they could have been altered.
News & Media
The character of the final could have been altered had United been reduced to 10 men as Villa opened the scoring in the fifth minute.
News & Media
It is not enough to show a reasonable possibility that election results could have been altered by such irregularities or inaccuracies.
News & Media
Several election years — certainly 1960 , 1968and 2000, and arguably 1976 and 2004 — were close enough that their results could have been altered by essentially random factors.
News & Media
"From the moment Scott chose to use ponies rather than dogs," she states, "the outcome of any race with Amundsen could have been altered only if a natural catastrophe had befallen the Norwegians".
News & Media
"It is not enough to show a reasonable possibility that election results could have been altered by such irregularities, or inaccuracies, rather, a reasonable probability that the results of the election would have been changed must be shown.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
Photographs show that the smokestack was not finished, perhaps not even started, in 1930, so the design could easily have been altered, then or later.
News & Media
Some of the synthetic polymer materials that were used on the Hayabusa spacecraft structures could potentially have been altered through chemical and physical processes (e.g., heat, cosmic ray irradiation) during the 7 years of Hayabusa's flight in deep space.
Science
Clearly, this genotype could not have been altered by adult BMI, and it is not subject to confounding by lifestyle factors (9, 10).
Certain activities have been altered, she said.
News & Media
The blindfolds have been altered by technology.
News & Media
Expert writing Tips
Best practice
When using "could have been altered", ensure the context clearly indicates what might have caused the alteration and what the potential consequences could be. This adds depth and clarity to your statement.
Common error
Avoid vague statements using "could have been altered" without specifying what factors might have led to the alteration. Always provide context or potential causes to make your statement more meaningful and credible.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could have been altered" functions as a modal verb phrase expressing a past possibility or speculation regarding a change or modification. It indicates that something might have been changed, but without certainty. Ludwig AI confirms its proper usage in various contexts.
Frequent in
Science
32%
News & Media
32%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "could have been altered" is a modal verb phrase used to express a possible past modification or change. According to Ludwig AI, it is grammatically correct and applicable in various contexts. While used in both science and news media, as the examples from Ludwig demonstrate, it's important to provide context to clarify what factors might have caused the alteration. Alternatives like "might have been modified" or "may have been changed" can provide subtle shifts in meaning and emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
might have been modified
Replaces "could" with "might", suggesting a slightly lower degree of possibility and substitutes "altered" with "modified", indicating a less substantial change.
may have been changed
Replaces "could" with "may", similar to "might" in expressing possibility, and uses "changed" instead of "altered", implying a complete transformation.
potentially was modified
Emphasizes the potential for modification in the past, using "potentially" to highlight the possibility and "was modified" to suggest a passive transformation.
conceivably was amended
Introduces "conceivably", stressing the plausibility of the action, and "amended", suggesting a formal or official alteration.
possibly experienced a change
Shifts the focus to the experience of change, using "possibly" to denote chance and framing "change" as something undergone.
is it possible it was revised
Presents the idea as a question, asking whether revision occurred, which implies a more formal review and adjustment.
it's plausible it saw adjustments
Uses "plausible" to assert the believability of adjustments and "saw adjustments" to create a sense of passive reception of changes.
perhaps it underwent revisions
Employs "perhaps" to propose the idea tentatively and "underwent revisions" to suggest a more extensive process of change.
it is conceivable that it was reworked
Highlights the conceivability of a reworking, implying a significant level of modification or redesign.
it's imaginable it had been reshaped
Suggests that it's within the realm of imagination for the subject to have been completely reshaped, denoting a substantial transformation.
FAQs
How to use "could have been altered" in a sentence?
Use "could have been altered" to express a possibility that something was modified in the past. For example, "The document "could have been altered" before submission."
What can I say instead of "could have been altered"?
You can use alternatives like "might have been modified", "may have been changed", or "potentially was modified" depending on the context.
Which is correct, "could have been altered" or "could be altered"?
"Could have been altered" refers to a past possibility, while "could be altered" refers to a present or future possibility. The correct choice depends on the time frame you're referencing.
What's the difference between "could have been altered" and "was altered"?
"Could have been altered" suggests a possibility but not a certainty. "Was altered" indicates that the change definitely happened. The choice depends on whether you are expressing a possibility or stating a fact.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested