I doubt if vs I doubt that

Both 'I doubt if' and 'I doubt that' are commonly used phrases in English, but they are used in different contexts. 'I doubt if' is used when questioning the possibility of something, while 'I doubt that' is used to express skepticism or uncertainty about a statement or situation.

Last updated: April 11, 2024 • 245 views

This phrase is correct and commonly used in English when questioning the possibility of something.

"I doubt if"

Use 'I doubt if' when you are unsure about the likelihood or possibility of a situation or event.

Examples:

I doubt if he will come to the party.
I doubt if it will rain tomorrow.
I doubt if she knows the answer.
I doubt if they can finish the project on time.
I doubt if we will win the game.

Show examples from the web [+]

I doubt if he'll come. I doubt whether it was what he wanted. I do not doubt that he will succed.
Dec 7, 2017 ... Technically though, doesn't the "if" in "I doubt if it will rain" change the actual meaning of the sentence so that it could be re-written ...
1 : to call into question the truth of : to be uncertain or in doubt about He doubts everyone's word. ... b : to consider unlikely I doubt if I can go. ... 3 : a ...
“I doubt if I have made the best use of all my calamities. Soft, amiable natures they would have refined to saintliness; of strong, evil spirits they would ...
English I doubt if we should be able to obtain them under the new rules. ... no time for regionalism and I doubt if they would be interested in strategic ...
How to use doubt in a sentence. Example sentences with the word doubt. The most voted sentence example for doubt is I doubt if she'll go to you....
Chico Feo, Folly Beach Picture: Very campy atmosphere. I doubt if any two chairs match! But the food is great, and the setting is delightful.

Alternatives:

I wonder if
I'm not sure if
I question whether

This phrase is correct and commonly used in English to express skepticism or uncertainty about a statement or situation.

"I doubt that"

Use 'I doubt that' when you are skeptical or uncertain about a statement, fact, or situation.

Examples:

I doubt that he is telling the truth.
I doubt that it will work.
I doubt that she will be on time.
I doubt that they have enough evidence.
I doubt that we can trust him.

Show examples from the web [+]

John: Fred says he can't come to work because he's sick. Jane: I doubt that. See also: doubt, that. McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
May 25, 2016 ... If you really doubt that something is true (suspect that it's false), use “doubt that”: “I doubt that Fred has really lost 25 pounds.
I doubt that/whether/if it was what he wanted. I do not doubt that/if/whether he will succeed. Which conjunction in the above samples should I ...
Synonyms & Antonyms of doubt (Entry 2 of 2). to have no trust or confidence in. I doubt that you can do all that you say. Synonyms for doubt.
Mar 4, 2022 ... Don't still have them, but great store.” “I love that they are carrying on this great American tradition. I doubt that your computers know you ...
I doubt that... but you never know. 667. 225. He's as sweet as he can be and I have no doubt his intentions are honorable.

Alternatives:

I'm skeptical that
I'm uncertain that
I question whether

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