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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
sometimes I doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sometimes I doubt" is correct and usable in written English.
You can use it when expressing uncertainty or hesitation about something that occurs occasionally. Example: "Sometimes I doubt my ability to make the right decisions in challenging situations."
✓ Grammatically correct
News & Media
Science
Science & Research
Wiki
Alternative expressions(3)
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
6 human-written examples
"Sometimes I doubt if I am able to lead all of this to its end.
News & Media
Sometimes I doubt your commitment to Pokémon Go.
News & Media
Nobody knows what Netanyahu's long-term strategy is exactly - and sometimes I doubt that he knows.
News & Media
Sometimes I doubt my own actions and my competency tobe a successful leader.
News & Media
But this is a pretty lofty title and sometimes I doubt my career choice, simply because going around calling myself a creative relies on having a constant stream of creative ideas, which is hard.
News & Media
Hospital physician: " Sometimes, I doubt that we really grasp the rehabilitation possibilities that society offers, and we don't know where to learn more about new offers.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
I was sure things would change, but I'm not young and sometimes I doubted that I'd see this day".
News & Media
"Sometimes I did doubt it would come, but I've always had good people and sometimes you need the rub of the green.
News & Media
It reminded me of the response to an article I wrote 2 years ago in which I confessed that I sometimes doubt whether I'm cut out to be a scientist: I can't get excited about every seminar I attend; I sometimes find science difficult; I've even committed the ultimate sin of reading Michael Crichton novels.
Science & Research
She sometimes spoke of writing, but I doubt that she ever tried.
News & Media
I hope I am, Mr Speaker, Sir. But sometimes, sitting in this chamber, I doubt whether I am allowed to be a Malaysian.
Wiki
Expert writing Tips
Best practice
Use "sometimes I doubt" to express a recurring but not constant feeling of uncertainty. For example, "Sometimes I doubt my ability to handle such a complex project, but I always find a way."
Common error
Avoid using "sometimes I doubt" too frequently in your writing, as it can make you appear indecisive. Vary your expressions of uncertainty with alternatives like "occasionally question" or "at times I'm skeptical".
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sometimes I doubt" functions as an adverbial phrase modifying a verb or clause. It expresses a periodic feeling of uncertainty or lack of confidence regarding a particular situation, belief, or ability. Ludwig AI confirms that this phrase is usable in written English.
Frequent in
News & Media
45%
Science
25%
Science & Research
15%
Less common in
Wiki
10%
Formal & Business
5%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "sometimes I doubt" is a grammatically sound and frequently used phrase for expressing periodic uncertainty or skepticism. As supported by Ludwig AI, this phrase is usable in written English. It's commonly found in news, media, and scientific contexts, making it appropriate for neutral and professional registers. While "sometimes I doubt" effectively communicates uncertainty, varying your phrasing with alternatives like "I occasionally question" or "I'm sometimes unsure" can enhance your writing style.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I am sometimes unsure
A simpler, more direct expression of doubt, emphasizing a lack of clarity or certainty.
I occasionally question
Replaces "sometimes doubt" with a more formal tone, using "occasionally question" to convey a similar meaning of uncertainty.
I periodically waver
Shifts the focus to the fluctuating nature of belief or conviction, emphasizing the back-and-forth feeling of doubt.
I frequently wonder
Emphasizes the act of pondering or questioning, suggesting a more active engagement with the doubt.
I have my moments of uncertainty
Highlights the temporary and fluctuating nature of the doubt, framing it as a passing feeling.
At times I'm skeptical
Introduces a stronger sense of disbelief or suspicion, suggesting a critical evaluation of the subject in question.
Now and then, I'm dubious
Similar to skeptical, but perhaps implies a gentler, more reflective state of questioning.
I often harbor reservations
Conveys a sense of holding back full acceptance, implying underlying concerns or objections.
I seldom feel confident
Shifts the emphasis to a lack of confidence, suggesting a more pervasive sense of insecurity.
My conviction occasionally falters
Focuses on the weakening of belief or certainty, highlighting the instability of one's convictions.
FAQs
How can I use "sometimes I doubt" in a sentence?
You can use "sometimes I doubt" to express a feeling of uncertainty or hesitation about something. For example, "Sometimes I doubt whether I made the right decision."
What can I say instead of "sometimes I doubt"?
You can use alternatives like "I occasionally question", "I'm sometimes unsure", or "at times I'm skeptical" depending on the context.
Is it better to say "sometimes I doubt" or "I always doubt"?
"Sometimes I doubt" implies that the feeling of uncertainty is not constant, while "I always doubt" suggests a continuous state of doubt. Choose the phrase that best reflects the frequency of your uncertainty.
What's the difference between "sometimes I doubt" and "I often wonder"?
"Sometimes I doubt" expresses a feeling of uncertainty, while "I often wonder" suggests a more contemplative or inquisitive state. The former is more about questioning something already believed, while the latter is about exploring different possibilities.
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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
4.3/5
Expert rating
Real-world application tested