Certain verbs (e.g. demand, insist, recommend, suggest) and adjectives (e.g. essential, important, vital) are followed by ‘that’ + subjunctive (mandative subjunctive) to indicate that something must be done (directive aspect).
Sentences in subjunctive sound very formal, however, so often an auxiliary is preferred. If the directive aspect of the sentence is clear enough without an auxiliary, it is also possible to simply use the main verb in indicative mood.
People demand that the troops are
...
Sentences in subjunctive sound very formal, however, so often an auxiliary is preferred. If the directive aspect of the sentence is clear enough without an auxiliary, it is also possible to simply use the main verb in indicative mood.
People demand that the troops are
...






