The subjunctive - English Grammar
https://www.englishgrammar.org/subjunctive12.08.2013 · The subjunctive August 12, 2013 - The subjunctive is becoming much less common in modern English. However, in the past, this structure was used to express ideas such as desirability and possibility. In modern English, we are more likely to express the same ideas using modal auxiliary verbs like would, should or must.
English subjunctive - Wikipedia
https://en.wikipedia.org/wiki/English_subjunctiveIn English, the subjunctive mood is a grammatical construction recognizable by its use of the bare form of a verb in a finite clause that describes a non-actual scenario. For instance, "It's essential that he be here" uses subjunctive mood while "It's essential that he is here" does not. In contrast to many other languages, English does not have a specifically subjunctive verb form. Rather, …
Subjunctive mood - Wikipedia
en.wikipedia.org › wiki › Subjunctive_moodThe subjunctive is a grammatical mood, a feature of the utterance that indicates the speaker's attitude towards it.Subjunctive forms of verbs are typically used to express various states of unreality such as: wish, emotion, possibility, judgment, opinion, obligation, or action that has not yet occurred; the precise situations in which they are used vary from language to language.