conjunctief
Conjunctief, also known as aanvoegende wijs, is a traditional grammatical mood in Dutch. It was used to express subjectivity in language, such as wishes, doubts, possibilities, and hypothetical or non-real situations. The conjunctief typically appeared in subordinate clauses and was considered a counterpart to the indicative and the imperative in older Dutch.
In modern standard Dutch the conjunctief is largely rare. It survives mainly in fixed expressions, ceremonial
Historical notes and scope: The conjunctief developed from the subjunctive forms common to many Indo-European languages