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
required to do
Grammar usage guide and real-world examplesUSAGE SUMMARY
"required to do" is a correct and commonly used phrase in written English.
It is typically used to describe something that is necessary or mandatory to do in a given situation. Here is an example: - "All employees are required to attend the safety training session next week." In this sentence, "required to do" is used to convey that attending the safety training session is mandatory for all employees.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
must carry out
expected to carry out
compelled to act
prior to do
request to do
got to do
have to do
should do
got to engage
what am I required to do
needed for doing
essential for performing
you would be required
ought to do
must do
are advised to do
are required to do
should be given
remains to be done
should be included
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
59 human-written examples
But Hamilton was not required to do anything dangerous.
News & Media
All we are required to do is notice these thoughts.
News & Media
There is little precision required to do that.
News & Media
"They're refusing to do what they're required to do".
News & Media
"All we're required to do is maintain it".
News & Media
For this fight, he may be required to do both.
News & Media
"We're all required to do that," Kingsolver says.
News & Media
"I said, 'Are we required to do that?' " Callahan said.
News & Media
Enron was not required to do any of those things.
News & Media
The band are required to do more than keep up.
News & Media
Shoppers aren't required to do so, of course.
News & Media
Expert writing Tips
Best practice
When using "required to do", ensure the context clearly indicates who or what is imposing the requirement. For example, specify if it's a legal obligation, a job requirement, or a personal commitment.
Common error
Avoid using "required to do" in overly passive constructions where the subject imposing the requirement is unclear. Make sure to specify who is doing the requiring.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "required to do" primarily functions as a part of an infinitive phrase, indicating an obligation or necessity. It specifies that a certain action is not optional but mandatory, as evidenced by the examples provided by Ludwig.
Frequent in
News & Media
64%
Science
25%
Formal & Business
4%
Less common in
Wiki
2%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "required to do" is a very common and grammatically correct way to express obligation or necessity in English. As confirmed by Ludwig, it is used across various contexts, including news, science, and formal business settings. While alternatives like "must carry out" or "obligated to perform" exist, the best choice depends on the specific nuance you wish to convey. Remember to ensure clarity by specifying who or what imposes the requirement. By avoiding ambiguity and understanding its various contexts, you can effectively use "required to do" in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
must carry out
Expresses necessity or obligation.
obligated to perform
Emphasizes a formal or legal duty.
compelled to act
Expresses a forced or driven need to do something.
duty-bound to execute
Highlights a sense of moral or professional responsibility.
under an obligation to complete
Focuses on the binding nature of the task.
bound to undertake
Suggests a commitment or agreement.
expected to carry out
Implies an anticipation or expectation.
supposed to accomplish
Indicates a general understanding or agreement.
tasked with performing
Highlights the assignment of a specific job.
it is essential to execute
Highlights a strong importance and critical need.
FAQs
How can I use "required to do" in a sentence?
You can use "required to do" to indicate an obligation or necessity. For example, "All employees are required to complete the training" or "Students are required to submit their assignments on time."
What are some alternatives to "required to do"?
Depending on the context, you can use alternatives like "must carry out", "obligated to perform", or "expected to carry out".
Is there a difference between "required to do" and "need to do"?
While both indicate necessity, "required to do" often implies a formal rule or obligation, whereas "need to do" can simply express a personal necessity or recommendation.
Which is correct, "required to do" or "required to be doing"?
"Required to do" is generally preferred when referring to an action that must be taken. "Required to be doing" is less common and might be used in specific progressive constructions, but ensure the sentence structure truly calls for a progressive tense.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested