Look at these examples:
Il est important que l'on agisse de façon responsable.
It is important for us to act responsibly.
Il est important que les enfants ne fassent pas de bêtises.
It's important for the children not to misbehave.
Il est nécessaire que tu comprennes cette leçon.
It's necessary for you to understand this lesson.
Note that when using expressions for general opinion such as "It is important for <someone> to <do something>", in French you will use the structure Il est <adjective> que followed by Le Subjonctif.
Learn more about these related French grammar topics
Subjonctif présent
Phrasal/Prepositional
Examples and resources
Il est important que l'on agisse de façon responsable.
It is important for us to act responsibly.
Il est important que les enfants ne fassent pas de bêtises.
It's important for the children not to misbehave.
Il est inutile que tu sois là.
There's no point you being there.
Il est nécessaire que tu comprennes cette leçon.
It's necessary for you to understand this lesson.
Susan
Kwiziq community member
1 November 2016
2 replies
. . . que tu comprennes la leçon: why is that translated in the past tense
and not the present: that you understand the lesson?
Aurélie
Kwiziq language super star
1 November 2016
1/11/16
That was a mistake :)
Thanks to you, it's now been fixed!
Merci et à bientôt !
Susan
Kwiziq community member
1 November 2016
1/11/16