When does the action of the pluperfect subjunctive occur? (temporal aspect)

To form the pluperfect subjunctive, what principal part should you use?

amō, amāre, amāvī, amātus

To form the imperfect subjunctive, what principal part should you use?

amō, amāre, amāvī, amātus

To form the pluperfect active subjunctive, what letters should we add to the stem?

To form the imperfect subjunctive, what letters should we add to the stem of regular verbs?

Which of the following is not pluperfect subjunctive?

Which of the following is not imperfect subjunctive?

quis captīvīs nocuisset nēmō in hāc cohortē scīvit.

legātus centuriiōni persuasit ut regnum saevum occupāret.

cum Modestus in principia praeceps curreret, centuriōnī occurrit.

nōs adeō taedet ut dormīre possēmus.

Vercobrix barbarīs imperāvit ne castra Romāna incenderent.

Caecilius saltātrīcēs arcessīvit ut hospitēs dēlectārent.

mīlitēs montem tam celeriter ascendērunt ut paene mortuī essent.

parvus puer nesciēbat quō canis iisset.

Which of the following clauses is NOT introduced by UT?

For us, for now, "NE" can introduce which TWO clauses?

Which of the following is NOT a word that typically introduces a result clause?

Rome was founded on a.d. XI KAL MAI _________ BCE.