he must have forgotten vs he might have forgotten

Both phrases are correct, but they convey different levels of certainty. 'He must have forgotten' implies a high level of certainty that he forgot, while 'He might have forgotten' suggests a possibility that he forgot but with less certainty.

Last updated: March 22, 2024 • 5962 views

he must have forgotten

This phrase is correct and commonly used in English to express a high level of certainty that someone forgot something.

This phrase is used when you are very sure that the person forgot something. It indicates a strong belief or conclusion.

Examples:

He must have forgotten his keys because they are not in his pocket.
She must have forgotten about the meeting because she didn't show up.
They must have forgotten to lock the door because it was open when we got home.

Show examples from the web [+]
Last updated: November 02, 2024

Jul 5, 2024 ... I mean he must have forgotten #reels #hubby #31weekspregnant.
High quality example sentences with “he must have forgotten” in context from reliable sources - Ludwig: your English writing platform.
Mar 24, 2015 ... Was questing in Old (TBC) Nagrand. Garrosh knew something then that he must have forgotten. Image.
He... he must have forgotten it. Он... он, должно быть забыл его. You must have forgotten, Alemayehu, I was also brought up here. Ты должно быть забыл ...
Feb 15, 2023 ... He must have forgotten.
Mar 15, 2019 ... ... He must have forgotten. . .”) explains the first clause. He's never ... he must have forgotten we were meeting today'? All related (34).
Apr 3, 2017 ... He must have forgotten that, too. Our waitress wasn't the most personable either — it was like we were bothering her. In fact, she took our ...
Oct 29, 2009 ... But he must have forgotten. And my father made a spectacular recovery. One month later, he drove 90 miles to show me his new Toyota RAV4 ...
Apr 27, 2024 ... 74K likes, 1341 comments - txreemarie on April 27, 2024: "He must have forgotten that I've always got oil in the pantry.

Alternatives:

He definitely forgot
He certainly forgot
He undoubtedly forgot
He for sure forgot
He absolutely forgot

he might have forgotten

This phrase is correct and commonly used in English to express a possibility that someone forgot something, but with less certainty.

This phrase is used when you are suggesting a potential scenario where the person forgot something, but you are not completely sure.

Examples:

He might have forgotten his umbrella, that's why he got wet in the rain.
She might have forgotten her homework, which is why she's not prepared for class.
They might have forgotten to buy milk, so there's none in the fridge.

Alternatives:

He could have forgotten
He may have forgotten
He possibly forgot
He likely forgot
He probably forgot

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he must have forgotten vs he might have forgotten