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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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if and when

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'if and when' is correct and usable in written English.
It is used when an event or situation may or may not happen at a later time. Example sentence: I will be ready to review your report if and when it is completed.

✓ Grammatically correct

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"I don't know if and when".

And I'm underlining the if and when".

Antarctica decides if and when you will leave.

News & Media

The New York Times

What will happen if and when Mark Sanchez struggles?

News & Media

The New York Times

If and when it goes wrong, most provide support.

News & Media

Independent

If and when that happens, Airbus has bigger ambitions.

News & Media

The Economist

Only Miller knows if and when he will return.

If and when will the new businesses make money?

News & Media

The New York Times

It will (or won't) be made if and when necessary".

"If and when it gets taken back, what happens?

News & Media

The New York Times

We'll update you if and when there is.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "if and when" to clearly express that an action or event is dependent on a condition that may or may not occur. This helps to avoid ambiguity in your writing.

Common error

Avoid using "if and when" in situations where a simple "if" would suffice. Overusing it can make your writing sound redundant and less concise.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "if and when" functions as a conjunction, introducing a conditional clause that depends on both the occurrence of an event ('if') and the timing of that event ('when'). As Ludwig AI points out, the phrase is grammatically correct and commonly used.

Expression frequency: Very common

Frequent in

News & Media

50%

Wiki

18%

Science

10%

Less common in

Formal & Business

7%

Encyclopedias

3%

Reference

2%

Ludwig's WRAP-UP

The phrase "if and when" is a grammatically sound and commonly used conjunction to express a dependency on both the occurrence and timing of an event. Ludwig AI confirms its correctness and usability. While versatile, it's essential to use it judiciously, avoiding overuse in simple conditional sentences. Alternatives like "in the event that" or "contingent upon" can offer more formal or specific nuances. Its prevalence in news, wiki, and scientific sources reflects its widespread acceptance across various communication styles, making it a valuable tool for clear and precise writing.

FAQs

How can I use "if and when" in a sentence?

Use "if and when" to indicate that something will happen only under a specific condition and at a specific time. For example, "We will proceed with the project if and when we secure the necessary funding."

What is a good alternative to "if and when"?

Depending on the context, you can use alternatives such as "in the event that", "should the occasion arise", or "contingent upon".

Is it redundant to use both "if" and "when"?

While "if" and "when" can sometimes be used interchangeably, "if and when" emphasizes that both a condition and a time must be met for something to occur. It's not always redundant, but consider whether the added emphasis is necessary for clarity.

What's the difference between "if" and "if and when"?

"If" introduces a general condition. "If and when" specifies that something will happen only when a particular condition is met at a specific time. The latter adds a sense of timing or certainty to the condition.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: