Meaning
To express certainty about something.
Cultural Background
French speakers often use 'Je suis sûr' to signal that they have considered the facts. In Quebec, you might hear 'Je suis sûr' used with a slightly different intonation, but the meaning is identical. Swiss French speakers are often very precise and use this phrase to confirm agreements. Belgian French is similar to standard French regarding this expression.
Gender Agreement
Always check if you need to add an 'e' to 'sûr'. It's a common mistake.
Don't confuse with 'sur'
The circumflex accent is mandatory for the adjective.
Meaning
To express certainty about something.
Gender Agreement
Always check if you need to add an 'e' to 'sûr'. It's a common mistake.
Don't confuse with 'sur'
The circumflex accent is mandatory for the adjective.
Use 'J'en suis sûr'
It sounds much more native than 'Je suis sûr de ça'.
Test Yourself
Fill in the blank with the correct form.
Je suis ____ (sûr) de ma réponse.
Assuming a masculine speaker, 'sûr' is correct.
Choose the correct preposition.
Je suis sûr ____ qu'il viendra.
Use 'que' before a clause.
Match the phrase to its meaning.
Je suis sûr
Direct translation.
Complete the dialogue.
A: Tu penses qu'il va pleuvoir ? B: ____.
This is the most natural response.
🎉 Score: /4
Visual Learning Aids
Practice Bank
4 exercisesJe suis ____ (sûr) de ma réponse.
Assuming a masculine speaker, 'sûr' is correct.
Je suis sûr ____ qu'il viendra.
Use 'que' before a clause.
Match each item on the left with its pair on the right:
Direct translation.
A: Tu penses qu'il va pleuvoir ? B: ____.
This is the most natural response.
🎉 Score: /4
Frequently Asked Questions
10 questionsOnly if the speaker is female.
No, it's neutral and used everywhere.
Yes, it's perfectly fine.
'Certain' is slightly more formal.
To distinguish it from the preposition 'sur'.
Je ne suis pas sûr.
Yes, it's very common.
Yes, use 'de' + infinitive.
No, it's standard French.
Use 'Je pense que' instead.
Related Phrases
J'en suis certain
synonymI am certain of it
Je ne suis pas sûr
contrastI am not sure
Être sûr de soi
builds onTo be self-confident
C'est sûr
similarThat's for sure