Saying something is true
Here are ten phrases that you can use when you are absolutely sure that what you are saying is true.
Ten ways to say you are sure
casual · neutral · formal
- I'm sure...neutralI'm sure the train leaves at eight.
- I'm absolutely positive...neutralstrongI'm absolutely positive I locked the door.
- I'm a hundred percent certain...neutralstrongI'm a hundred percent certain that's his car.
- I'm utterly convinced...neutralstrongI'm utterly convinced that she is telling the truth.
- I can assure you that...formalI can assure you that the room will be ready by noon.
- I couldn't be more sure of...neutralstrongI couldn't be more sure of his honesty.
- I'd stake my life on it.casualstrongHe didn't take the money. I'd stake my life on it.
- It's a known fact that...neutralIt's a known fact that smoking is bad for you.
- Everybody knows that...neutralEverybody knows that Kandy is famous for the Perahera.
- I can state categorically that...formalstrongI can state categorically that we did not sell your data.
How to use them
- The strength of depends on intonation. If the speaker's voice rises at the end of the sentence she may be less certain and is inviting somebody else to correct the information.
- , and 4 come before a sentence that gives information. They all say strongly that you believe in this information's truth.
- We often use to contradict a statement or opinion of a previous speaker.
- If somebody says , he is saying that you can kill him if he is wrong.
- are saying that the statement is a fact and that everybody already knows about it.
- is a very strong assurance - often used by politicians and public relations officials.
Quick check
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A company spokesperson denies something firmly. Which phrase fits?
"I'd stake my life on it" means:
Which phrase is the least strong?
See also: Having a guess
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