have to ascertain

USAGE SUMMARY

The phrase "have to ascertain" is correct and usable in written English.
It can be used when you need to express the necessity of finding out or determining something. Example: "Before making a decision, I have to ascertain the facts surrounding the situation."

✓ Grammatically correct

News & Media

Science

Academia

Formal & Business

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

18 human-written examples

"We have to ascertain if the audience demand is there," said Highfield.

The Guardian

You have to ascertain, initially, what that does to a local street.

The New York Times

I have to ascertain whether he really needs one or not.

The Guardian

He said: "Before we can speak of response we have to ascertain exactly who was behind it.

The New York Times

I do not recall the name of the person who told me, I shall have to ascertain it.

Yale University

Officials also have to ascertain if the building has a community use — say, for a homeless shelter.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

42 human-written examples

And he has to ascertain that everything linked to Jockipedia is authenticated to fend off imposter or profanity-filled feeds.

The New York Times

Henceforth, such computational matters could be left to practical astronomers without the necessity of having to ascertain the physical reality of the model.

Britannica

Therefore, we also had to ascertain the content that represents 'commercial competence' in the Swiss curricula (backward analysis).

Empirical Research in Vocational Education and Training

In addition, he/she has to ascertain the identity of the network with whom he/she communicates.

EURASIP Journal on Wireless Communications and Networking

The Department of Social Welfare has to ascertain the reasons for (a) leaving the industry, (b) the reluctance of people to go into this industry, and (c) the disinclination of child care operators to register their centres.

International Journal of Child Care and Education Policy

Expert writing Tips

Best practice

When using "have to ascertain", ensure the context clearly indicates what needs to be determined and why it's important. For instance, 'Before launching the product, we have to ascertain market demand'.

Common error

Avoid using "have to ascertain" in informal contexts where simpler phrases like "need to find out" or "need to check" would be more appropriate. Overly formal language can make your writing sound stilted and unnatural.

Linguistic Context

The phrase "have to ascertain" functions as a modal verb phrase indicating obligation or necessity combined with a verb of discovery. It expresses that there is a requirement to find something out or establish something definitively. As confirmed by Ludwig, it is grammatically correct.

Expression frequency: Uncommon

Frequent in

Science

46%

News & Media

38%

Academia

12%

Less common in

Formal & Business

3%

Encyclopedias

1%

Wiki

0%

Ludwig's WRAP-UP

In summary, "have to ascertain" is a grammatically sound phrase used to express a formal need for discovering or confirming information. While not as common as simpler alternatives like "need to find out", its use is appropriate in professional, academic, scientific and journalistic contexts. Ludwig confirms its grammatical correctness and demonstrates its presence in reputable sources like The New York Times and The Guardian, which highlights its suitability for formal writing and communication. Bear in mind the level of formality required by a context to better employ the phrase or one of its alternative phrases.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

need to determine

Changes the verb to 'determine' to indicate finding something out definitively.

must find out

Replaces "ascertain" with the more direct phrase "find out", indicating a necessity.

should investigate

Shifts the focus to a formal inquiry or examination.

ought to verify

Emphasizes the moral obligation to confirm the truth or accuracy of something.

are required to establish

Highlights the formal requirement of proving or confirming something.

it is necessary to confirm

Uses a more formal tone to express the need for confirmation.

it is important to verify

Focuses on the importance of verifying something, rather than just finding it out.

it's crucial to establish

Emphasizes the criticality of establishing something as a fact.

we need to check

Uses simpler language to convey the need for verification.

we must look into

Indicates a more exploratory approach to discovering information.

FAQs

How can I use "have to ascertain" in a sentence?

Use "have to ascertain" when you need to express the necessity of finding out or determining something, such as "We "have to ascertain" whether the data is accurate before proceeding".

What are some alternatives to "have to ascertain"?

You can use alternatives like "need to determine", "must find out", or "should investigate" depending on the context.

Is it more formal to say "have to ascertain" or "need to find out"?

"Have to ascertain" is generally more formal than "need to find out". Use "have to ascertain" in professional or academic contexts, and "need to find out" in more casual settings.

When is it appropriate to use "have to ascertain"?

It is appropriate to use "have to ascertain" when emphasizing a formal or important need to discover or establish something definitively. It's well-suited for legal, academic, or business contexts.