have forgotten

USAGE SUMMARY

'have forgotten' is a correct and usable phrase in written English.
You can use it when you want to express that something was forgotten, either by yourself or someone else. For example, "I'm sorry, I have forgotten to bring my lunch today."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We have forgotten that.

The New York Times

They have forgotten.

The New Yorker

I have forgotten everything else.

The New York Times - Books

"You have forgotten the falool".

The New Yorker

How could I have forgotten?

The New York Times - Magazine

He seems to have forgotten.

The New York Times

They have forgotten the constitution.

The New York Times

/ I have forgotten you.

The Guardian - Books

We have forgotten happiness".

The Guardian - TV & Radio

I have forgotten what.

The Guardian - Film

You have forgotten wonder.

The New York Times

Expert writing Tips

Best practice

When using "have forgotten", ensure the tense is consistent with the context of your sentence. For example, use "had forgotten" if the forgetting occurred in the past relative to another past event.

Common error

Avoid using "have forgot" instead of "have forgotten". "Forgotten" is the past participle of "forget" and is required when using the present perfect tense.

Linguistic Context

The phrase "have forgotten" functions as a verb phrase in the present perfect tense. It indicates a completed action in the past (forgetting) that has a present consequence or relevance. Ludwig examples show it used to express a current state of not remembering something from the past.

Expression frequency: Very common

Frequent in

News & Media

56%

Science

20%

Formal & Business

7%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "have forgotten" is a common and grammatically sound way to express that a memory or piece of information is no longer accessible. As Ludwig AI confirms, it is widely used across various contexts, especially in news and media, science, and formal communications. When using this phrase, pay attention to the tense to maintain consistency. The most common error is using "have forgot" instead of the correct past participle, "have forgotten". Alternatives like "no longer remember" or "it slipped my mind" can provide subtle variations in meaning.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

no longer remember

Emphasizes the lack of recall from memory, differing slightly in its direct focus on memory loss.

failed to recall

Highlights the act of not being able to bring something back to mind, rather than a complete forgetting.

I can't bring it to mind

Focuses on the inability to actively retrieve information from memory.

it slipped my mind

Indicates a more casual forgetting, often used as an apology or excuse.

lost all memory of

Suggests a complete absence of memory regarding something.

amnesia has set in

Refers to a more clinical or dramatic forgetting, implying a significant memory impairment.

unaware of

Similar to 'oblivious to', but can also imply a lack of information rather than just forgetting.

neglected to remember

Highlights a failure to actively remember something, suggesting a degree of responsibility.

oblivious to

Shifts the focus to a lack of awareness or consciousness of something, rather than direct forgetting.

it's all a blur

Suggests a vague or unclear memory, rather than complete forgetting.

FAQs

How do I use "have forgotten" in a sentence?

"Have forgotten" is used to indicate that something was forgotten in the past and the present result of that forgetting is relevant. For example, "I "have forgotten my keys", so I can't get into my house."

What's the difference between "have forgotten" and "had forgotten"?

"Have forgotten" indicates a past action with present relevance, while "had forgotten" indicates a past action completed before another past action. For example, "I have forgotten my appointment today" versus "I had forgotten about the meeting until you reminded me."

What can I say instead of "have forgotten"?

You can use alternatives like "no longer remember", "cannot recall", or "it slipped my mind" depending on the context.

Is it correct to say "have forgot" instead of "have forgotten"?

No, "have forgot" is grammatically incorrect. The past participle of "forget" is "forgotten", so the correct form is "have forgotten".