could have opened

USAGE SUMMARY

The phrase "could have opened" is correct and usable in written English.
It is typically used to express a possibility or hypothetical situation in the past regarding an action that did not occur. Example: "If I had known about the event earlier, I could have opened the door for you."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We could have opened up a wall.

The New York Times

"You could have opened that book any time".

The New Yorker

This could have opened up a new avenue for Severini.

The New York Times - Arts

" 'I Killed My Mother' could have opened some doors.

The New York Times

He could have opened the window and shouted to her.

The New Yorker

But by accepting the invitation, the governor could have opened himself up to criticism.

The New York Times

We could have opened up our weekend golf foursomes to a few pols — even women!

The New York Times

He could have opened serious negotiations with antigovernment protesters leading to free and fair elections.

The New York Times

Lord Patel argued that the bill as it stood could have "opened the backdoor to charging".

The Guardian

At one time too the Gibraltar area served as a land bridge that could have opened to release these waters.

Massachusetts Institute of Technology

"On the one hand, I wish we could have opened the next day".

The New York Times

Expert writing Tips

Best practice

Use "could have opened" to express missed opportunities or potential actions that did not occur in the past. Ensure the context clearly indicates what the subject had the ability or possibility to open.

Common error

Avoid using "could of opened"; the correct form is "could have opened". "Could of" is a common misspelling that should be avoided.

Linguistic Context

The phrase "could have opened" functions as a modal verb construction, expressing a hypothetical possibility or unrealized action in the past. It suggests that an action was possible but did not occur. Ludwig AI confirms the correct usage and provides examples from diverse contexts.

Expression frequency: Very common

Frequent in

News & Media

63%

Academia

12%

Science

10%

Less common in

Wiki

8%

Formal & Business

4%

Reference

3%

Ludwig's WRAP-UP

In summary, "could have opened" is a common and grammatically sound phrase used to express past possibilities that did not materialize. Ludwig AI confirms its correct usage across diverse sources. Its primary function is to convey regret, speculation, or missed opportunities. While versatile across various registers, it appears most frequently in news and media contexts. Remember to avoid the common error of "could of" and stick to the correct form, "could have". Use it to reflect on unrealized potentials and alternative past scenarios.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

might have opened

Replaces "could" with "might", indicating a slightly lower degree of possibility.

would have opened

Indicates a hypothetical situation where something would have been opened under certain conditions.

should have opened

Suggests that opening something was the right or expected thing to do.

was able to open

Focuses on the ability to open something in the past.

managed to open

Highlights the effort or difficulty involved in opening something.

succeeded in opening

Emphasizes the successful outcome of opening something.

had the opportunity to open

Indicates that there was a chance or occasion to open something.

were in a position to open

Implies being in a suitable or advantageous situation to open something.

it was possible to open

States the possibility of opening something in a general sense.

had the option of opening

Highlights the availability of a choice to open something.

FAQs

How to use "could have opened" in a sentence?

Use "could have opened" to express a past possibility that did not happen. For example, "If they had the key, they "could have opened" the door".

What can I say instead of "could have opened"?

You can use alternatives like "might have opened", "should have opened", or "would have opened" depending on the context.

Which is correct, "could have opened" or "could of opened"?

"Could have opened" is the correct form. "Could of opened" is a common mistake resulting from mishearing or misspelling "could've".

What's the difference between "should have opened" and "could have opened"?

"Should have opened" implies a recommendation or obligation that was not fulfilled, while ""could have opened"" suggests a past possibility that did not occur.