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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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have extended for

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "have extended for" is correct and usable in written English.
It can be used to indicate the duration of an action or state that has been ongoing up to the present moment. Example: "The negotiations have extended for several months without reaching a conclusion."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

The Senate on Thursday failed to clear a bill that would have extended for two more years a program that provided federal insurance for deposits kept in no-interest accounts at federally insured banks.

News & Media

The New York Times

We choose three 1-hop reception schemes namely RR-ALOHA, SFR, and ATP that we have extended for use with multihop broadcasting and compared their performance with our proposed scheme we refer to as Pseudoacknowledgments (PACKs).

The crenulation bands seen in outcrop mostly have linear dimensions of the order of 1 m, but some of them are likely to have extended for tens of meters.

MacDonald's studies show that droughts in the past have extended for very long periods and will likely do so in the future too.

News & Media

Huffington Post

But previews, customary with shows untried off-Broadway or out of town, have extended for weeks since the late 1970s, and charging full price for previews alongside discount tickets is now more the custom than not.

News & Media

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

Now it has extended for the seventh, and, the producers promise, last time.

News & Media

The New York Times

MOTOROLA INC., Schaumburg, Ill., said it had extended for a fourth time its $1.04-a-share 1.04-a-share 1.04-a-share tenderofferxt Level Communications Inc. it does not already own.

News & Media

The New York Times

Every city included in the survey experienced a drop in prices from a year earlier, a trend that has extended for five months.

News & Media

The New York Times

The French president, François Hollande, has extended for three months the state of emergency resulting from the Charlie Hebdo killings and the events in Paris last November.

The Obama administration has extended for six months a 2009 moratorium on new uranium mining claims on one million acres around the Grand Canyon.

News & Media

The New York Times

The day before, a state judge had extended for 14 days a temporary restraining order stopping the district from enforcing the ban.

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "have extended for", ensure the tense is consistent. If the extension is still ongoing, use the present perfect tense. If the extension has concluded, shift to the past perfect.

Common error

Avoid using "have extended for" when referring to a specific endpoint rather than a duration. For example, instead of saying "They have extended the deadline for next week", say "They have extended the deadline to next week".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "have extended for" functions as a verb phrase indicating the duration of an action or state. According to Ludwig, the phrase is correct and usable in written English. It serves to denote the length of time over which something has been prolonged or continued.

Expression frequency: Uncommon

Frequent in

News & Media

40%

Science

40%

Formal & Business

20%

Less common in

Wiki

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "have extended for" is used to express the duration of a continued or prolonged action or state. As Ludwig AI confirms, this phrase is considered grammatically sound and appropriate for use in written English. It finds its home primarily in news media and scientific contexts, with less frequent appearances in formal business settings. To improve clarity in writing, remember to maintain tense consistency and avoid using it to specify endpoints rather than durations. If you're looking for alternative ways to express the same idea, consider "has continued for", or "has been prolonged for".

FAQs

How can I use "have extended for" in a sentence?

Use "have extended for" to indicate the length of time something has been prolonged or continued, like "The negotiations "have extended for" several months."

What are some alternatives to saying "have extended for"?

Depending on the context, consider using alternatives like "has continued for", "has been prolonged for", or "has stretched out for".

Is it correct to say "has extended until" instead of "have extended for"?

While "have extended for" focuses on the duration, "has extended until" specifies an end point. Choose the phrase that accurately reflects whether you're emphasizing the length of time or the final date.

What's the difference between "have extended for" and "have been extended for"?

"Have extended for" implies the subject actively prolonged something, while "have been extended for" implies the subject received the prolongation. For example, "The company "have extended for" another year our contract" vs. "Our contract "have been extended for" another year".

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Source & Trust

85%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Most frequent sentences: