 The optative is used by some authors in dependent clauses in past time of the type "so that it might", "for fear that it might", "(they begged) that it might", "in case it might be possible" and so on to express what it was planned, feared, requested or hoped might happen at a later time than the main verb.For purpose clauses in past time, the optative can follow a conjunction such as (), () or () "so that"