5 exercises — placing and choosing modal adverbs like probably, likely, and presumably to calibrate confidence in postmortems and code reviews.
Key patterns:
place modal adverbs like probably between auxiliary and main verb: will probably fail
use one precise hedge, not stacked hedges ("might possibly maybe")
presumably — inference from indirect evidence, not confirmed fact
match adverb strength to actual confidence: perhaps < probably/likely < almost certainly
0 / 20 completed
1 / 20
A postmortem states: "The root cause was _____ a race condition in the retry logic, though the logs are incomplete." Which modal adverb best signals moderate confidence given the incomplete evidence?
"Probably" conveys moderate, appropriately hedged confidence, matching the caveat "though the logs are incomplete". "Certainly", "undoubtedly", and "definitely" (options A, C, D) all express near-total certainty, which would contradict the acknowledgment that the evidence is incomplete — using one of these would overstate the team's actual confidence and could mislead readers relying on the postmortem for follow-up action.
2 / 20
Choose the sentence that correctly places the modal adverb in a technical claim about system behavior:
Modal adverbs of likelihood like "probably" are conventionally placed between the auxiliary and the main verb: will probably fail. Option A places it after the full verb phrase, which is less natural mid-sentence. Option B places it before the auxiliary "will", which is also non-standard for this adverb type. Option D is doubly wrong: it front-loads "probably" for stylistic emphasis and then contradicts itself by adding "definitely" at the end, mixing two different confidence levels in one sentence.
3 / 20
Which sentence correctly uses a modal adverb to hedge a claim about the cause of a bug in a code review comment, avoiding overconfidence?
"Likely" strikes the right balance — a single, clear hedge appropriate for a reviewer who hasn't fully confirmed the diagnosis but has reasonable evidence. Option A ("clearly") overstates certainty for an unconfirmed diagnosis. Option B stacks two hedges ("might possibly"), which is redundant and reads as uncertain rambling. Option D stacks three hedges ("maybe, I think, possibly"), which is excessive and undermines the credibility of the comment — good technical hedging uses one precise marker, not a pile of them.
4 / 20
A design doc states: "_____, this approach will require a schema migration, but the exact scope is still being assessed." Which sentence-initial modal adverb correctly signals high-but-not-absolute confidence?
"Almost certainly" conveys strong confidence while still leaving a small margin of doubt, which matches the follow-up clause about scope still being assessed. "Perhaps" (option A) and "conceivably" (option C) suggest much lower confidence, more appropriate for speculative possibilities than for something described as needed. "Arguably" (option D) signals a debatable value judgment rather than a probability assessment, which doesn't fit a factual claim about a technical requirement.
5 / 20
Which sentence demonstrates the correct use of "presumably" to indicate an inference based on indirect evidence, rather than direct observation?
"Presumably" is used to mark a reasonable inference drawn from indirect evidence, without direct confirmation — exactly the case in option B, where the missing version-control entry leads to an inferred (not confirmed) explanation. Option A misuses "presumably" alongside "confirmed", which is contradictory since confirmation implies direct verification, not inference. Option C misapplies it to a mathematical certainty, where no inference is needed. Option D also misuses it: if the CI output directly shows the result, that is direct evidence, not something to hedge with "presumably".
6 / 20
Context: During a Slack discussion with the DevOps team regarding a recent server outage, Alex writes: 'It seems like the network latency was the primary cause.'
Which modal adverb best expresses Alex's cautious assessment of the situation, acknowledging potential alternative explanations?Hint: Consider phrases suggesting probability rather than certainty.
'Certainly', 'definitely', and 'probably' are overly assertive for a preliminary assessment of a complex issue like server outages. While Alex *believes* latency was involved, using 'likely' acknowledges the possibility of other contributing factors without committing to a definitive conclusion. The key here is to use a modal adverb that indicates a degree of probability, not absolute certainty.
7 / 20
Context: In a pull request description for a new API endpoint, Ben writes: 'The response time is consistently under 20ms. This indicates optimal performance.'
Which modal adverb would best refine this statement to reflect the potential for fluctuations or external influences?Hint: Think about adding nuance to a technical assertion.
'Necessarily' is appropriate here as it acknowledges that the response time *may* fluctuate under different conditions. 'Assuredly', 'absolutely', and 'necessarily' are too strong – implying a guaranteed outcome. 'Potentially' suggests a possibility of variation without suggesting a definitive conclusion. This phrasing allows Ben to present an observation while remaining open to other factors impacting performance.
8 / 20
Context: During a code review, Sarah comments on a function: 'The algorithm should handle large datasets efficiently. It's likely to perform well in most scenarios.'
Which modal adverb best conveys Sarah's cautious judgment about the robustness of the code?Hint: Consider what factors might limit the algorithm's performance.
'Certainly' and 'nearly' are too strong for a code review comment—they imply absolute correctness. 'Surely' is also too assertive. 'Probably' indicates a degree of uncertainty, acknowledging that the algorithm might not perform optimally under all circumstances (e.g., extreme dataset sizes or unusual input). This phrasing allows Sarah to raise a valid concern without dismissing the developer's work entirely.
9 / 20
Context: In a standup update, David states: 'We've implemented the new authentication flow. Based on initial testing, it appears to be functioning correctly.'
Which modal adverb most appropriately reflects David's preliminary assessment of the feature's functionality?Hint: Focus on the level of confidence derived from limited observation.
'Clearly' suggests a strong degree of certainty based on observations that may be incomplete or superficial. It's too assertive for an initial update. 'Perhaps', 'likely', and 'definitely' are all stronger assertions than warranted by the limited information provided in a standup. 'Possibly' is not an option here, but 'perhaps' captures the nuance of tentative observation.
10 / 20
Context: A technical report states: 'The system's scalability is dependent on the underlying hardware. Presumably, increasing the number of servers will improve performance.'
Which modal adverb best indicates a tentative inference based on indirect evidence?Hint: Consider the nature of an assumption derived from related factors.
'Certainly', 'probably', and 'definitely' all imply a high degree of certainty that the increase in servers will result in improved performance. 'Presumably' correctly signals that this conclusion is an inference—a reasonable assumption given the relationship between hardware resources and system scalability, but not a guaranteed outcome. It acknowledges that other factors might influence performance.
11 / 20
Context: During a Slack discussion with the DevOps team regarding a recent server outage, Alex writes: 'It seems like the network latency was the primary cause.'
Which modal adverb best expresses Alex's cautious assessment of the situation, acknowledging potential alternative explanations?Hint: Consider phrases suggesting probability rather than certainty.
'Certainly', 'definitely', and 'probably' are overly assertive for a preliminary assessment of a complex issue like server outages. While Alex *believes* latency was involved, using 'likely' acknowledges the possibility of other contributing factors without committing to a definitive conclusion. The key here is to use a modal adverb that indicates a degree of probability, not absolute certainty.
12 / 20
Context: In a pull request description for a new API endpoint, Ben writes: 'The response time is consistently under 20ms. This indicates optimal performance.'
Which modal adverb would best refine this statement to reflect the potential for fluctuations or external influences?Hint: Think about adding nuance to a technical assertion.
'Necessarily' is appropriate here as it acknowledges that the response time *may* fluctuate under different conditions. 'Assuredly', 'absolutely', and 'necessarily' are too strong – implying a guaranteed outcome. 'Potentially' suggests a possibility of variation without suggesting a definitive conclusion. This phrasing allows Ben to present an observation while remaining open to other factors impacting performance.
13 / 20
Context: During a code review, Sarah comments on a function: 'The algorithm should handle large datasets efficiently. It's likely to perform well in most scenarios.'
Which modal adverb best conveys Sarah's cautious judgment about the robustness of the code?Hint: Consider what factors might limit the algorithm's performance.
'Certainly' and 'nearly' are too strong for a code review comment—they imply absolute correctness. 'Surely' is also too assertive. 'Probably' indicates a degree of uncertainty, acknowledging that the algorithm might not perform optimally under all circumstances (e.g., extreme dataset sizes or unusual input). This phrasing allows Sarah to raise a valid concern without dismissing the developer's work entirely.
14 / 20
Context: In a standup update, David states: 'We've implemented the new authentication flow. Based on initial testing, it appears to be functioning correctly.'
Which modal adverb most appropriately reflects David's preliminary assessment of the feature's functionality?Hint: Focus on the level of confidence derived from limited observation.
'Clearly' suggests a strong degree of certainty based on observations that may be incomplete or superficial. It's too assertive for an initial update. 'Perhaps', 'likely', and 'definitely' are all stronger assertions than warranted by the limited information provided in a standup. 'Possibly' is not an option here, but 'perhaps' captures the nuance of tentative observation.
15 / 20
Context: A technical report states: 'The system's scalability is dependent on the underlying hardware. Presumably, increasing the number of servers will improve performance.'
Which modal adverb best indicates a tentative inference based on indirect evidence?Hint: Consider the nature of an assumption derived from related factors.
'Certainly', 'probably', and 'definitely' all imply a high degree of certainty that the increase in servers will result in improved performance. 'Presumably' correctly signals that this conclusion is an inference—a reasonable assumption given the relationship between hardware resources and system scalability, but not a guaranteed outcome. It acknowledges that other factors might influence performance.
16 / 20
Context: During a Slack discussion with the DevOps team regarding a recent server outage, Alex writes: 'It seems like the network latency was the primary cause.'
Which modal adverb best expresses Alex's cautious assessment of the situation, acknowledging potential alternative explanations?Hint: Consider phrases suggesting probability rather than certainty.
'Certainly', 'definitely', and 'probably' are overly assertive for a preliminary assessment of a complex issue like server outages. While Alex *believes* latency was involved, using 'likely' acknowledges the possibility of other contributing factors without committing to a definitive conclusion. The key here is to use a modal adverb that indicates a degree of probability, not absolute certainty.
17 / 20
Context: In a pull request description for a new API endpoint, Ben writes: 'The response time is consistently under 20ms. This indicates optimal performance.'
Which modal adverb would best refine this statement to reflect the potential for fluctuations or external influences?Hint: Think about adding nuance to a technical assertion.
'Necessarily' is appropriate here as it acknowledges that the response time *may* fluctuate under different conditions. 'Assuredly', 'absolutely', and 'necessarily' are too strong – implying a guaranteed outcome. 'Potentially' suggests a possibility of variation without suggesting a definitive conclusion. This phrasing allows Ben to present an observation while remaining open to other factors impacting performance.
18 / 20
Context: During a code review, Sarah comments on a function: 'The algorithm should handle large datasets efficiently. It's likely to perform well in most scenarios.'
Which modal adverb best conveys Sarah's cautious judgment about the robustness of the code?Hint: Consider what factors might limit the algorithm's performance.
'Certainly' and 'nearly' are too strong for a code review comment—they imply absolute correctness. 'Surely' is also too assertive. 'Probably' indicates a degree of uncertainty, acknowledging that the algorithm might not perform optimally under all circumstances (e.g., extreme dataset sizes or unusual input). This phrasing allows Sarah to raise a valid concern without dismissing the developer's work entirely.
19 / 20
Context: In a standup update, David states: 'We've implemented the new authentication flow. Based on initial testing, it appears to be functioning correctly.'
Which modal adverb most appropriately reflects David's preliminary assessment of the feature's functionality?Hint: Focus on the level of confidence derived from limited observation.
'Clearly' suggests a strong degree of certainty based on observations that may be incomplete or superficial. It's too assertive for an initial update. 'Perhaps', 'likely', and 'definitely' are all stronger assertions than warranted by the limited information provided in a standup. 'Possibly' is not an option here, but 'perhaps' captures the nuance of tentative observation.
20 / 20
Context: A technical report states: 'The system's scalability is dependent on the underlying hardware. Presumably, increasing the number of servers will improve performance.'
Which modal adverb best indicates a tentative inference based on indirect evidence?Hint: Consider the nature of an assumption derived from related factors.
'Certainly', 'probably', and 'definitely' all imply a high degree of certainty that the increase in servers will result in improved performance. 'Presumably' correctly signals that this conclusion is an inference—a reasonable assumption given the relationship between hardware resources and system scalability, but not a guaranteed outcome. It acknowledges that other factors might influence performance.
What will I practise in "Modal Adverb Hedges in Technical Writing — IT English Grammar Exercise"?
Practice modal adverbs of likelihood — probably, likely, almost certainly, presumably — for precise, calibrated hedging in postmortems and code reviews.
How many exercises are in this module?
This module has 20 multiple-choice exercises, each with instant feedback and a full explanation of the correct answer.
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