Expressing Certainty and Uncertainty

How do you express certainty?

• I guess it's true.

• It might be true.

• I'm sure it's true.

• Maybe it's true.

Answer explanation

To express certainty, the correct choice is 'I'm sure it's true.' This option indicates a high level of confidence in the statement.

Which sentence expresses uncertainty?

• I'm certain he'll come.

• He must come.

• He might come.

• I know he'll come.

Answer explanation

The sentence 'He might come.' expresses uncertainty because it indicates a possibility rather than certainty like the other options.

How do you express certainty about an event?

• It will probably happen.

• It will definitely happen.

• It might happen.

• It could happen.

Answer explanation

To express certainty about an event, you would say 'It will definitely happen.' This indicates a high level of confidence. 'It could happen' implies possibility but not certainty.

Which of these shows uncertainty?

• I'm positive.

• I believe.

• I know.

• I'm sure.

Answer explanation

The correct choices that show uncertainty are 'I believe.' and 'I'm sure.'

Which phrase shows certainty?

• It's possible.

• It's probable.

• It's definite.

• It's unlikely.

Answer explanation

The phrase 'It's definite.' shows certainty because it indicates a high level of confidence or assurance in the statement.

How do you express doubt?

• I'm sure.

• I doubt it.

• I know.

• I'm positive.

Answer explanation

To express doubt, the correct choice is 'I doubt it.' This phrase indicates uncertainty or skepticism about something.

How can you express uncertainty about the future?

• It will happen.

• It might happen.

• It must happen.

• It's certain to happen.

Answer explanation

To express uncertainty about the future, the correct choice is 'It might happen.' This option indicates a possibility without guaranteeing the outcome.

Which sentence indicates certainty?

• It might rain.

• It could rain.

• It's definitely going to rain.

• It's possible it will rain.

Answer explanation

The sentence 'It's definitely going to rain.' indicates certainty because it expresses a strong belief that rain will occur.

How do you show uncertainty about someone's arrival?

• He's definitely coming.

• He might come.

• He's sure to come.

• He will come.

Answer explanation

To show uncertainty about someone's arrival, the correct choice is 'He might come.' This option indicates a possibility rather than certainty.

Which phrase expresses certainty about an outcome?

• It might happen.

• It's likely to happen.

• It's going to happen.

• It's possible it will happen.

Answer explanation

The phrase 'It's going to happen.' expresses certainty about an outcome, indicating a high level of confidence in the event occurring.