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How to Say ‘I'm not sure.’ in French

Je ne suis pas sûr.

zhuh nuh swee pah SOOR

[zhuh nuh swee pah SOOR]

💬 Usage Tip: A woman writes sûre, but it sounds exactly the same.

🇫🇷 In France: A soft way to push back on a colleague's idea. It opens discussion instead of saying a flat no.

Phrase Breakdown

Je ne suis

zhuh nuh swee

I am not

Start of the negation 'ne...pas'. Often spoken as 'zhuh nuh swee'.

Example

Je ne suis pas là.

I'm not here.

Words in this phrase

Je

[zhuh]

I

Pronoun used by the speaker to identify themselves.

Example

Je suis content.

I am happy.

ne

[nuh]

not

Used to make a negative.

Example

Je ne sais pas.

I do not know.

suis

[swee]

am

First person singular present of 'to be'.

Example

Je suis fatigué.

I am tired.

pas sûr.

pah SOOR

sure.

'Pas' completes the negation. Use 'sûre' if you are female; it sounds the same.

Example

Tu es sûr ?

Are you sure?

Words in this phrase

pas

[pah]

not

Used with 'ne' to form a negative.

Example

Je ne comprends pas.

I do not understand.

sûr

[SOOR]

sure

Adjective meaning certain or confident.

Example

Elle est sûre de son idée.

She is sure of her idea.

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