The Subjunctivisor!
Does il est certain / c’est certain require the subjunctive?
Il est certain / C’est certain may require the subjunctive, depending on whether it is used affirmatively, negatively, or interrogatively:
Par exemple…
Il est certain / C’est certain que le chien vient quand tu l’appelles.
It’s certain that the dog will come when you call it.Il n’est pas certain / Ce n’est pas certain que le chien vienne quand tu l’appelles.
It’s not certain that the dog will come when you call it.Est-il certain / Est-ce certain que le chien vienne quand tu l’appelles ?
Is it certain that the dog will come when you call it?
Il est / C’est certain is an impersonal expression.
Related: Does être certain need the subjunctive?
The Subjunctivisor! | Subjunctive lesson
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