is to last

USAGE SUMMARY

The phrase "is to last" is correct and usable in written English.
It can be used to indicate the duration or permanence of something, often in a context discussing expectations or outcomes. Example: "The agreement we reached is to last for five years, ensuring stability for both parties."

✓ Grammatically correct

News & Media

Academia

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The current age is the fourth yuga, the kaliyuga, of a mahayuga and is to last 1,200 "cosmic" years (432,000 years).

Encyclopedia Britannica

The moratorium is to last until next June.

The New York Times

In Mr. Meyer's absence, which is to last until after the Fourth of July, he had a statement to "All members of Grey" distributed on his behalf.

The New York Times

Francis' visit -- his only foreign travel planned for 2014 to date -- is to last three days and include Amman, Jordan; Bethlehem and Jerusalem.

Los Angeles Times

This year, his display, which is being kept secret until showtime, is to last a half-hour, up from 25 minutes last year.

The New York Times

That freedom is to last at least until the new trial, which Judge Reena Raggi of United States District Court scheduled yesterday for June 24.

The New York Times

Since people close to the company have said the road show is to last about three weeks, the offering will probably take place in late April.

The New York Times

"Isn't elegance to forget what one is wearing?" and "The greatest art, Prince Metternich said, is to last" became two of his mottoes.

The New Yorker

Mr. Magruder announced on July 20 a $27.6‐million program of research on environmental hazards of the SST, but the study is to last three or four years.

The New York Times

The effort is to last six months.

The New York Times

It is to last through the ages".

The New Yorker

Expert writing Tips

Best practice

When using "is to last", ensure the context clearly defines what is expected to endure and for how long, enhancing clarity and avoiding ambiguity.

Common error

Avoid using "is to last" in past tense constructions where a different phrasing, like "was intended to last", would be more grammatically correct and contextually appropriate.

Linguistic Context

The phrase "is to last" functions as a verbal phrase indicating the intended duration or permanence of an event, agreement, or object. Ludwig AI confirms its correctness and usability.

Expression frequency: Very common

Frequent in

News & Media

68%

Academia

14%

Wiki

7%

Less common in

Encyclopedias

2%

Science

5%

Formal & Business

4%

Ludwig's WRAP-UP

The phrase "is to last" effectively conveys the intended duration or continuation of something, functioning as a verbal phrase with a neutral to formal register. According to Ludwig AI, the phrase is correct and usable in written English. It's commonly found in news and media, as well as academic contexts, indicating its versatility. To ensure clarity, specify what is expected to endure and for how long. While alternatives like "is meant to endure" and "is intended to continue" exist, "is to last" remains a straightforward and widely accepted option.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is intended to continue

Emphasizes intention or planning for something to continue.

is meant to endure

Highlights the expectation of resilience and longevity.

is designed to persist

Focuses on the design or purpose behind something lasting.

is expected to remain

Conveys an expectation or prediction of continuation.

should hold up

Suggests a degree of uncertainty about how well something will last.

is going to survive

Implies overcoming challenges to continue existing.

will remain effective

Specifically refers to continued efficacy or usefulness.

is scheduled to extend

Highlights the planning for something to last.

is set to perpetuate

Focuses on the continuation or prolongation of something.

should go the distance

Informal way of saying that something is expected to last for a long time.

FAQs

How can I use "is to last" in a sentence?

Use "is to last" to indicate the intended duration or permanence of something. For example, "The agreement "is to last" five years.".

What are some alternatives to "is to last"?

Alternatives include "is meant to endure", "is intended to continue", or "is designed to persist" depending on the specific nuance you want to convey.

Which is correct: "is to last" or "will last"?

Both are correct, but "is to last" often implies a plan or intention, while "will last" is a more general prediction. The choice depends on the context. "The treaty "is to last" seven years" suggests a planned duration, whereas "This material "will last" for decades" is a prediction based on its properties.

What's the difference between "is to last" and "is going to last"?

"Is to last" is more formal and often used in official agreements or announcements to indicate an intended duration. "Is going to last" is more informal and suggests a prediction. For instance, "The project "is to last" three months" versus "I think this trend "is going to last" a while".