Expressing Certainty in English (EFL/ESL English Speaking lessons)

EFL/ESL English Speaking lessons

Expressing certainty and uncertainty in English 

Expressing certainly – Certainty refers to the state of being sure about whether something has or never happened. Below, some of the most common expressions in English that you can use:

  • Ask for certainty
  • Express certainty
  • Express uncertainty

Asking for certainty

  • ………. do you think so?
  • Are you sure about it?
  • Do you think it is true?
  • How sure are you?
  • Are you certain about it?

Expressing certainty

  • I’m sure that
  • She is sure about it
  • I’m certain about it
  • They are totally sure that …
  • There is no doubt about it
  • I’m convinced that
  • I’m absolutely sure
  • I strongly believe
  • It goes without saying

Expressing uncertainty

  • I’m not sure
  • She is not certain
  • They are sure about it
  • I’m uncertain about it
  • It is possible that
  • I very much doubt
  • It might be

Adverbs to express certainty

  • Definitely
  • Certainly
  • Undoubtedly
  • Absolutely

Adverbs to express uncertainty

  • Uncertainly
  • Doubtfully
  • Probably
  • Possibly
  • Likely 

Examples of expressing certainty and uncertainty in English 

  • ADo you think the UN will find a solution to the current conflicts in the Middle East?
  • B: Based on what is happening now, I’m not really sure about that
  • A: I hope my friend will pass the test.
  • B: He will certainly do
  • A: Are you sure that our team will win the game today?
  • B: I’m convinced that we will win after the hard work they went through.



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1 thought on “Expressing Certainty in English (EFL/ESL English Speaking lessons)”

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