Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I must forget
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I must forget" is correct and usable in written English.
You can use it when expressing a strong desire or necessity to let go of a memory or experience. Example: "After everything that happened, I realize that I must forget the past and move on with my life."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
5 human-written examples
"They told me that to stay alive, I must forget who I was".
News & Media
("The dark hour's on us, our fate is sealed, I must forget you").
News & Media
As his biographer Charles-Nicolas Cochin records, Chardin recalled saying to his younger self: "In order to concentrate on reproducing it faithfully I must forget everything I have seen and even forget the way such objects have been treated by others".
News & Media
To enter that dream, I must forget about everything but the dream.
News & Media
Yet every day when I sit down to write I must forget all of these laws and rules.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
She must forget it".
News & Media
He must forget all past pleasures.
News & Media
In order to remember, we must forget.
News & Media
It is what you have forgotten, what you must forget.
News & Media
So the bandits and armed groups must forget their weapons".
News & Media
Timothy realises that he must "forget everything about guns" and "learn to co-operate with civilians".
News & Media
Expert writing Tips
Best practice
Use "I must forget" when you want to convey a sense of obligation or necessity to suppress a memory or experience. This can be useful in narratives where characters are dealing with trauma or difficult situations.
Common error
Avoid using "I must forget" in casual conversations, as it can sound overly dramatic or formal. Consider using simpler phrases like "I need to forget" or "I have to forget" in less serious situations.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I must forget" functions as an expression of necessity or obligation, specifically related to the act of erasing something from one's memory. It indicates a strong need to dismiss a thought, experience, or feeling.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "I must forget" is a grammatically correct phrase used to express a strong necessity to dismiss something from memory. As Ludwig AI confirms, it is usable in written English and can effectively convey a sense of obligation or deliberate intent. While the phrase is more common in news and media contexts, it's essential to consider the register and avoid overusing it in informal situations where simpler alternatives like "I need to forget" might be more appropriate. Remember to use this phrase judiciously to convey the right level of intensity and obligation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I need to forget
Replaces the modal verb "must" with "need", making it slightly less formal.
I have to forget
Similar to "need to forget", offering a slightly different tone.
I should forget
Uses "should" indicating a recommendation rather than a necessity.
I ought to forget
Similar to 'should', suggesting a moral obligation.
It's necessary for me to forget
A more formal and emphatic version.
It is imperative that I forget
Emphasizes the critical importance of forgetting.
I am compelled to forget
Implies an external force or strong internal pressure.
I am required to forget
Indicates a formal obligation or rule.
I am obliged to forget
Signifies a duty or legal requirement.
I am bound to forget
Suggests that forgetting is an inevitable consequence.
FAQs
What does "I must forget" mean?
The phrase "I must forget" expresses a strong need or obligation to dismiss something from one's memory, often due to its painful or detrimental nature.
When is it appropriate to use "I must forget"?
It's appropriate when conveying a sense of necessity, such as when dealing with trauma or needing to move on from a past event. In casual conversation alternatives like "I need to forget" are more suitable.
What are some alternatives to "I must forget"?
Alternatives include "I need to forget", "I have to forget", or "I should forget", each carrying slightly different nuances of obligation or recommendation.
Is "I must forget" grammatically correct?
Yes, "I must forget" is grammatically correct. It follows the standard structure of a modal verb ("must") followed by a base verb ("forget").
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested