CERTAINTY AND UNCERTAINTY EXPRESSION

CERTAINTY AND UNCERTAINITY EXPRESSION

Certainty is the state of being completely confident or having no doubt about something. Certainty is stated when you are sure that something will or will not happen in the future. However, uncertainty is when nothing is ever decided or sure, when you are not sure whether something or someone will or will not happen.
Here are the examples of Certainty and Uncertainty Expression:

Asking about certainty and uncertainty/ doubt
 Are you sure that she lost the cell phone?
 Are sure about that news?
 Do you think that he will broke your glasses?
 How do you so sure?
 Are positively sure…?

Expressing certainty.
 I’m sure she’s right.
 I’m sure of it.
 I’m sure.
 There’s no doubt about…
 There’s no doubt about it in my mind.
 There’s no doubt that she comes from a royal family
 I’m certain about that.
 I’m convinced of it.
 I know what she’s going to do.
 I’m certain that she’s the one who did it.
 I’m quite sure that they had met earlier.
 She will only start tomorrow, I’m certain about that.
 Without doubt, he’s one of the best singers we have.
 It’s quite certain she was trying to fool you.
 They must have left by now.
 It’s clear that she knows him.
 I don’t doubt that he wanted to help her.
 I feel quite sure that it was
 I certainly believe that he was in the wrong way.
 I have no doubt about it.
 I’m convinced we are not to trust him.
 I’m sure she’s done the right thing.
 I’m absolutely sure that he is from the United States.
 He’ll come, I’m sure of it.
 Obviously, she is against this proposal.

Expressing uncertainty/ doubt
 I’m not sure about it.
 I don’t think so.
 I’m not sure.
 Well, may be.
 I can’t decide if I should invite them.
 I don’t believe this is true.
 I don’t think you’re right.
 I haven’t a clue.
 I’m in two minds whether or not to do it.
 I’m not sure what to do next.
 I’m just not sure.
 I’m in two minds about doing it.
 I’m not sure whether he knows it.
 I’m a bit uncertain about this.
 I don’t know what to tell them
 I can’t believe it, I really can’t.
 I can’t decide whether to take it back or not.
 I’ll possibly be able to do it.
 I must say I find that very odd.
 Yes, I suppose so.
 May be I’ll buy it, may be I won’t.
 He’s possibly one of our best workers.
 He can’t do it, I think.
 May be I shouldn’t do it.

Responding to Expressions of Uncertainty/Doubt

When your friend tells you his/her doubt, you can use the following expressions for the responses. Repeat after your teacher!
 You don’t need to be doubtful.
 Don’t worry.
 Don’t take things so seriously.
 Doubt isn’t going to do anything.
 Take it easy.
 Just feel sure of yourself.
 There’s no need to be doubted.

Example Dialog:

Jalal     :  What do you think we should give Arni as her birthday present?
Rusli    : A doll, I think
Jalal     : Are you sure?
Rusli    : Yes, certainly. As far as I know, she likes doll.
Jalal     : Well, it is possible I suppose, but I doubt it.
Rusli    : So, what do you think?
Jalal     : Why don’t we buy her a wristwatch?
Rusli    : I don’t think so. It’s too expensive.
Jalal     : You are right, but we can collect the money.
Rusli    : Still, I doubt it. I’m broke now. I don’t think I can get enough money within this week.
Jalal     : Well, doubt isn’t going to do anything. I can lend you the money if you want.
Rusli    : Really?
Jalal     : Certainly.
Rusli    : Thank you very much.
Jalal     : Don’t mention it.