should has

USAGE SUMMARY

'should has' is not correct and should not be used in written English.
The correct phrase would be 'should have'. Example: I should have studied harder for the test.

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

12 human-written examples

In the seven years since 9/11, the question of how we relate to the world beyond our borders — and how we should — has become inescapable.

The New York Times - Magazine

Where in the 18 March Charter it says "the Board of the self-regulatory body should provide an arbitral process", here the "should" has become "may".

The Guardian - Opinion

At a time when the foundations of the European Union have never looked shakier, Margrethe Vestager is a powerful reminder that Brussels, when it works as it should, has clout.

The Guardian - Business

Mr. McCain, who has been dogged by his own past statements that he does not understand the economy as well as he should, has not always spoken fluently about economic policy during the campaign.

The New York Times

Every transferred arm should has suitable stop position, which enables arms to follow the designed gait and have proper contact force with ground.

ROBOMECH Journal

When the incident light irradiates on the photoelectrode, the photoanode with superior light-reflectance ability should has a high probability for capturing the incident light, this can helps to improve the short-circuit current density (J sc).

Nanoscale Research Letters

Human-verified similar examples from authoritative sources

Similar Expressions

47 human-written examples

We should have both".

Independent

Should've listened.

Independent

He should have pretended.

The New Yorker

"We should have won.

The New York Times - Sports

Or should have ended.

The New York Times - Sports

Expert writing Tips

Best practice

Always use "should have" instead of "should has" to ensure grammatical correctness. "Should have" is used to express regret, obligation, or expectation in the past.

Common error

Do not use "has" after the modal verb "should". The correct auxiliary verb to use with "should" to indicate a past action or state is "have". Remember that modal verbs like "should", "could", and "would" are always followed by the base form of the verb.

Linguistic Context

The phrase "should has" is grammatically incorrect; it attempts to combine a modal verb with an incorrect auxiliary verb form. Ludwig AI confirms that the correct form is "should have". Thus, it doesn't perform any valid grammatical function in standard English.

Expression frequency: Uncommon

Frequent in

Science

43%

News & Media

43%

Formal & Business

14%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "should has" is grammatically incorrect and should not be used. As Ludwig AI points out, the correct form is "should have", which is used to express regret, obligation, or expectation in the past. Although some examples of "should has" appear in various sources, these are errors and should be corrected to "should have". Always use "should have" in both formal and informal contexts to ensure grammatical accuracy and clarity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

should have

Corrects the grammatical error by using the auxiliary verb "have" after "should" to form the perfect tense.

ought to have

Replaces "should" with "ought to", providing a more formal synonym expressing obligation in the past.

must have

Indicates a stronger degree of certainty or necessity in the past, rather than just advisability.

needed to have

Emphasizes a past requirement or necessity that should have been fulfilled.

was supposed to have

Implies an expectation or arrangement that was not realized.

should've had

A contracted form of "should have had", implying possession that was expected but didn't occur.

it should have

A more generic structure that may or may not have a follow up. It's less strict and more like an opinionated observation.

ideally, it has

Expresses that something has specific characteristics, but in an optimistic and hopeful manner

ideally, it should be

Expresses what characteristics something ideally has, but without having the obligation implied by the term "should"

it would be useful if it has

Transforms into a conditional statement, focusing on the utility of possessing something.

FAQs

What is the correct way to use "should" when referring to a past action?

The correct form is "should have" followed by the past participle of the main verb. For example, "I should have studied" is correct, while "I should has studied" is not.

When should I use "should have" instead of "should"?

"Should have" is used to talk about something that was advisable or necessary in the past but did not happen. "Should" is used for present or future advice or obligation. For example, "I should have called her yesterday" versus "I should call her tomorrow".

What are some alternatives to saying "should have"?

Depending on the context, you can use alternatives like "ought to have", "needed to have", or "was supposed to have".

Is "should've" an acceptable contraction for "should have"?

Yes, "should've" is a common and acceptable contraction for "should have", particularly in informal speech and writing. For example, "I should've known better" is perfectly acceptable.