In English, subjunctives are verbs which follow words such as “can, must, might, could” and “would”. They are a mood of verbs expressive of what is imagined, wished or possible, such as a demand or a suggestion.
Some English Examples:
The cat might have left, I wish she brought the dog, or I demand you lower your sword.
Well Known Latin Quotes Subjunctive:
Requiescat in pace (RIP) – May (s)he rest in peace
Floreat Etona – Let Eton flourish
Horatius stabant ut pontem protegeret - Horatius stood in order to protect the bridge
Terras irradient - Let them illuminate the lands