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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
and when necessary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "and when necessary" is correct and usable in written English.
It can be used to indicate that an action should be taken only if it is required or needed. Example: "We will provide support to our clients and when necessary, we will escalate the issue to a senior manager."
✓ Grammatically correct
News & Media
Science
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
58 human-written examples
We use heat treatments, steam and, when necessary, approved pesticides.
News & Media
We will produce that evidence as and when necessary".
News & Media
It will (or won't) be made if and when necessary".
News & Media
"Americans know obstructionism when they see it, and when necessary, I will point it out".
News & Media
A politician in a jam can ignore it as and when necessary.
News & Media
Only then can metronome markings, if there are any, be considered and, when necessary, modified.
News & Media
She did the washing and the cooking though and when necessary had abortions.
News & Media
Imagination continues to monitor the industry situation and will take further actions as and when necessary.
News & Media
She immunized students, checked their vision and, when necessary, referred them for psychotherapy.
News & Media
Peacekeeping troops, he said, would be sent "if and when necessary".
News & Media
America will attack IS from the air in Iraq and, when necessary, in Syria.
News & Media
Expert writing Tips
Best practice
Use "and when necessary" to clearly indicate that an action or measure should only be taken if it is genuinely required, avoiding unnecessary steps. For example, "We will conduct further testing, and when necessary, consult with external experts."
Common error
Avoid using "and when necessary" in situations where the necessity is already implied. For instance, instead of "Apply sunscreen, and when necessary, reapply it", simply state "Reapply sunscreen as needed" to avoid redundancy.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "and when necessary" functions as an adverbial conjunction, modifying a verb or clause by adding a condition of necessity. Ludwig AI validates this usage.
Frequent in
News & Media
48%
Science
45%
Formal & Business
7%
Less common in
Wiki
0%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "and when necessary" serves as an adverbial conjunction used to introduce a condition of necessity, ensuring actions are only taken when required. As Ludwig AI confirms, its grammatical status is correct. With a neutral to formal tone, it commonly appears in diverse contexts, predominantly in News & Media and Science. Alternatives include "as needed" or "if need be". When writing, it's best to avoid overuse and ensure it adds meaningful conditionality to your sentence, contributing to clarity and precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
if and when required
Replaces "necessary" with "required", maintaining a similar level of formality.
if it becomes necessary
A longer, more explicit version of the original phrase.
as needed
A shorter, more informal way of saying "when necessary".
when required
Omits "and", simplifying the phrase.
if need be
A more concise and slightly more formal alternative.
as occasion demands
More formal and emphasizes the situation prompting the action.
on an as-needed basis
Emphasizes the sporadic and conditional nature of the action.
should the need arise
A conditional phrase indicating the action will occur if a need becomes apparent.
where applicable
Implies that the action is only relevant in certain situations.
when the time comes
Focuses on the timing of the action rather than the necessity.
FAQs
How can I use "and when necessary" in a sentence?
Use "and when necessary" to indicate that an action should be performed only if it becomes essential or required. For example, "We will provide assistance, and when necessary, escalate the issue to a supervisor."
What are some alternatives to "and when necessary"?
You can use alternatives like "as needed", "when required", or "if need be" depending on the context.
Is it more formal to say "and when necessary" or "as needed"?
"And when necessary" is generally considered slightly more formal than "as needed". The choice depends on the tone of your writing.
What's the difference between "and when necessary" and "where applicable"?
"And when necessary" implies a need arising from circumstances, whereas "where applicable" suggests relevance to specific situations. They are not always interchangeable.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested