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
She must have given
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'She must have given' is a correct and usable phrase in written English.
You can use the phrase when you want to express that something has likely happened, but you aren't sure. For example, "She must have given the book to him before she left."
✓ Grammatically correct
News & Media
Encyclopedias
Alternative expressions(1)
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
4 human-written examples
She must have given it to her landlord, and this gives us further reason to believe it is genuine".
News & Media
She must have given absolutely zero fucks.
News & Media
I guess she must have given birth on the street".
News & Media
Flaubert, out of kindness as well as out of professional curiosity, had continued to see Louise Pradier when the "bourgeois" were ostracizing her as a fallen woman, and she must have given him her strange document.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
It must've given Mrs Brown some time to wonder.
News & Media
Evans conjectures that Frank, who made a pact with Ava when they were together not to write their memoirs, must have given her the amount she would have earned from the book.
News & Media
"I went in to buy a diet drink and I must have given the cashier too much money," she said.
News & Media
I admired her kicky spirit and theorized that Goldie Hawn must have given Ms. Kumpf's mother the evil eye when she was in utero.
News & Media
It must have given the 47-year-old a sense of relief that she is unlikely to make a fool of herself when she plays at Wimbledon next week.
News & Media
"I must have given him 47 caveats as to why I was not a serious customer," she said.
News & Media
"The filming of 'Mogambo' was very difficult for Ava because she was pregnant when she arrived on set and decided to have an abortion, and John Ford had to work with her and must have given her tremendous support," Mr. Johnson said.
News & Media
Expert writing Tips
Best practice
Use "she must have given" when you want to express a strong deduction about a past action, based on available evidence. Ensure the context supports the inference you are making.
Common error
Avoid using "she must have given" when you actually mean "she could have given" or "she might have given". The 'must' implies a higher degree of certainty than 'could' or 'might'.
Source & Trust
90%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "She must have given" functions as a modal verb phrase expressing a strong inference or deduction about a past action. It suggests a high degree of certainty based on available evidence, as seen in Ludwig's examples.
Frequent in
News & Media
50%
Encyclopedias
50%
Less common in
Academia
0%
Formal & Business
0%
Science
0%
Ludwig's WRAP-UP
In summary, "She must have given" is a modal verb phrase used to express a strong deduction about a past action. According to Ludwig, it suggests a high degree of certainty. This phrase appears in neutral registers, frequently in News & Media and Encyclopedias. Though grammatically correct, it's important to differentiate between deduction and possibility, avoiding its usage when weaker certainty is intended. Alternatives such as "She probably gave" or "She likely gave" can be used to express lesser certainty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
She probably gave
Indicates a high likelihood but lacks the force of deduction.
She likely gave
Suggests a strong possibility, similar to "probably".
It is probable that she gave
A more formal way of expressing likelihood.
It seems she gave
Implies an inference based on available information.
She could have given
Indicates a possibility, but without strong conviction.
She might have given
Similar to "could have", suggesting a weaker possibility.
Perhaps she gave
Expresses uncertainty or doubt.
Maybe she gave
Similar to "perhaps", indicating less certainty.
I suppose she gave
Suggests a tentative assumption.
I guess she gave
Informal way of expressing a tentative assumption.
FAQs
How can I use "She must have given" in a sentence?
You can use "She must have given" to express a strong inference about a past action. For example, "She wasn't at home, so she "must have given" the keys to her neighbor before leaving."
What's the difference between "She must have given" and "She might have given"?
"She must have given" indicates a strong deduction based on evidence, while "She might have given" expresses a possibility. The first implies higher certainty.
Which is correct, "She must have given" or "She should have given"?
"She must have given" expresses a deduction. "She should have given" expresses an obligation or recommendation. The correct choice depends on the intended meaning.
What can I say instead of "She must have given"?
You can use alternatives like "She probably gave", "She likely gave", or "It seems she gave" depending on the context and the level of certainty you want to convey.
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
90%
Authority and reliability
4.1/5
Expert rating
Real-world application tested