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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
decide about what
Grammar usage guide and real-world examplesUSAGE SUMMARY
"decide about what" is not a grammatically correct phrase.
It would be better to say "decide what to do" or "decide on what to do." You can use it when making a decision about something specific. For example: "I need to decide what to wear for the party" or "We need to decide on what food to order for the event." In these cases, "decide what" or "decide on what" is followed by a specific action or choice.
⚠ May contain grammatical issues
Alternative expressions(2)
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
5 human-written examples
"One of the weird things about being CEO of 38 Degrees is that I don't actually get to decide about what we campaign on," he adds.
News & Media
One side tends to think that this is all a natural outgrowth of the Bill of Rights; there is a right to privacy; the government should keep its nose out of the bedroom; a woman has the right to decide about what goes on in her own body.
News & Media
Conservative Christians often describe secular humanism as "setting mankind above God"—by which they mean humans decide about what is moral, not God as He reveals himself through Scripture.
A ranking task that includes both outcome types would make a direct comparison between these different outcomes possible, and might provide additional interesting information for researchers that have to decide about what outcomes to consider for use in economic evaluations in a health promotion context.
Science
At this point you need to decide about what you would talk about and how you would act and then compare it to the 'gangs.' If one group seems to talk and act how you would/want to then they are probably the group for you.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Despite such threats, he said, nothing has been decided about what to do with the material.
News & Media
On her show, she is so definite about everything, so exacting, so decided about what should and shouldn't be.
News & Media
In any case, she said, "I'm the one who decides about what gets published and what doesn't in any venue".
News & Media
In an interview today, the commission chairman, David Mason, said the commission was far from decided about what the new rules would say.
News & Media
Whatever is eventually decided about what Father Mansfield did or did not do at Mr. Martinez's funeral, the suit poses the further issue of what legal responsibility the archdiocese has for his actions.
News & Media
There are lots of questions to be decided about what happens next – how we live after Brexit, what our relationship will be with the remaining states of the European Union".
News & Media
Expert writing Tips
Best practice
Instead of using "decide about what", opt for clearer and grammatically correct alternatives like "decide what to do" or "determine what action to take".
Common error
Avoid using "about" after "decide" when indicating the object of your decision. Using "decide what to do" or "decide on a course of action" provides a more direct and correct expression.
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decide about what" is generally considered grammatically incorrect. The verb "decide" typically takes a direct object or is followed by an infinitive phrase (e.g., "decide what to do"). Ludwig AI indicates this phrase is not grammatically sound.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "decide about what" is generally considered grammatically incorrect. As Ludwig AI highlights, it's better to use alternatives like "decide what to do" or "decide on something" for clearer and more accurate communication. The examples confirm that authoritative sources avoid this phrasing. When making a choice, focus on direct and grammatically sound constructions for better clarity and credibility.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Decide what to do
Focuses on the action to be taken, omitting 'about' for a more direct construction.
Determine what action to take
Replaces 'decide' with 'determine', emphasizing the process of figuring out the best course of action.
Choose what to address
Shifts focus to selecting a specific issue or topic to handle.
Settle on a course of action
Emphasizes reaching a final decision or agreement on a plan.
Figure out what's next
Focuses on the next steps or actions, using a more informal tone.
Ascertain the best approach
Uses 'ascertain' to denote finding the most suitable method or strategy.
Resolve what to prioritize
Highlights the act of resolving which items or tasks are most important.
Opt for a solution
Focuses on selecting a specific solution from multiple options.
Conclude which path to follow
Replaces 'decide' with 'conclude', emphasizing the end of a decision-making process.
Determine priorities
Simplifies the phrase to focus solely on the act of prioritizing tasks or issues.
FAQs
What are some correct alternatives to "decide about what"?
Instead of "decide about what", use phrases like "decide what to do", "determine what action to take", or "choose what to address" for grammatical accuracy.
How can I avoid misusing the word 'decide' in a sentence?
Ensure that the object of your decision is clearly stated without unnecessary prepositions like 'about'. For example, prefer "decide the next steps" over "decide about the next steps".
What's the difference between "decide what to do" and "decide about what"?
"Decide what to do" is grammatically correct and commonly used, whereas "decide about what" is not standard English and should be avoided.
Is it ever correct to use 'about' after 'decide'?
While "decide about" can appear in some constructions, it's generally better to use "decide on" or "decide what" for clearer and more accurate phrasing. For example, you might "decide on a plan".
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested