Collocation
I am not sure if
To express doubt or uncertainty about whether something is true or will happen; it introduces a conditional or questioning clause.
Definition
'I am not sure if' is a common English collocation. To express doubt or uncertainty about whether something is true or will happen; it introduces a conditional or questioning clause.
I am not sure if + [clause]
“I am not sure if I locked the door before I left.”
Examples
- I am not sure if I have enough time to finish the project today.
- She said I am not sure if he will agree to our proposal.
- The manager announced, "I am not sure if the meeting is still scheduled for this afternoon."
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- After checking the forecast, I am not sure if it will rain tomorrow.
- He mumbled, "I am not sure if that's the correct answer, but I'll try."
- They told us, "We are not sure if the train will arrive on time due to the delays."
- I am not sure if my passport is still valid for international travel.
- Even after reviewing the evidence, the detective admitted, "I am not sure if we have enough to press charges."
- I heard some noise downstairs, but I am not sure if it was just the wind.
- My friend asked, "I am not sure if I should wear the blue dress or the red one."
Learn this in a path
More at B1 level
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