The subjunctive after expressions of command. — The

subjunctive is generally used after verbs and expressions denoting command, consent, permission, prohibition, etc.

avoir soin, to take care consentir, to consent défendre, to forbid demander, to ask

Ayez soin qu'il le fasse.

J'ordonne qu'il s'en aille.

Empêchez qu'il ne sorte.1 Permettez qu'ils viennent.

empêcher, to prevent 1 ordonner, to order permettre, to permit prier, to beg, ask

Take care that he do it.

I order that he go away.

Prevent him from going out.

Permit them to come.