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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as and when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as and when" is correct and usable in written English.
It is typically used to indicate that something will happen at unspecified times in the future, as the need arises. Example: "We will provide support as and when required during the project."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(15)
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
I shop as and when I need ingredients.
News & Media
It's about being able to respond as and when required.
News & Media
Rather, we need some way for adaptation to be triggered automatically, as and when problems arise.
Science
They then pay as and when they recharge the light.
News & Media
The EDP forum meets as and when needed.
Science
During this time, plants were irrigated with tap water as and when necessary.
I'll post updates of that as and when it happens.
News & Media
We will produce that evidence as and when necessary".
News & Media
We will update the market as and when appropriate".
News & Media
It's simple to add functionality as and when you require.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Shopping is an as-and-when activity.
News & Media
Expert writing Tips
Best practice
Use "as and when" to clearly indicate that an action or event will occur only when a specific condition or need is met. This avoids assumptions and sets clear expectations.
Common error
Don't use "as and when" when a simpler phrase like "when needed" or "as required" suffices. Overusing it can make your writing sound verbose.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as and when" functions as a conjunction, linking two conditions to indicate that an action will occur at the time that both conditions are met. Ludwig AI confirms this usage through numerous examples across diverse contexts.
Frequent in
Science
40%
News & Media
30%
Formal & Business
15%
Less common in
Wiki
5%
Academia
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "as and when" serves as a conjunction to specify the timing and conditions for an action or event. It is grammatically sound and widely used across various contexts, including science, news, and business. Ludwig AI highlights its versatility and correctness through numerous examples. While alternatives like "when needed" or "as required" exist, "as and when" provides a specific nuance regarding timing and circumstances. Remember to avoid unnecessary repetition and use it judiciously in your writing to maintain clarity and conciseness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as required
Directly states that the action will occur according to requirements.
when needed
A more concise way of saying something will happen once the necessity arises.
when the time comes
Emphasizes the timing aspect, suggesting the action will happen at the appropriate moment.
as the occasion arises
Highlights the situational aspect, implying the action depends on specific circumstances.
at the appropriate time
Focuses on the suitability of the timing for the action.
if and when necessary
Adds a condition of necessity, making the action contingent on a specific need.
should the need arise
Introduces a hypothetical need for the action.
contingent on the situation
Specifies that the action depends on the current circumstances.
depending on circumstances
Highlights how the action will change based on external factors.
subject to availability
Highlights the dependency on available resources or opportunities.
FAQs
How can I use "as and when" in a sentence?
Use "as and when" to indicate that something will be done or provided only if and when it is needed. For example: "Support will be provided "as and when required" during the project."
What are some alternatives to "as and when"?
Alternatives to "as and when" include "when needed", "as required", or "if necessary", depending on the context.
Is it correct to say "as and when required"?
Yes, "as and when required" is a common and correct usage. It emphasizes that something will be provided or done only if and when it is necessary.
What's the difference between "as and when" and "if and when"?
"As and when" suggests a more routine or expected occurrence when a condition is met, while "if and when" ("if and when") implies a higher degree of uncertainty about whether the condition will be met at all.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested