Ecce 42: Imp/Plu Indicative and Subjunctive. Change the following forms from indicative to subjunctive. It's easier than you think if you follow these rules: IMPERFECT: change -aba-/-eba- to the infinitive with personal endings. For PLUPERFECT just drop the -era- and add -isse plus personal endings. Tools Please enter your name. First name Last name   Quiz created by: Ginny Lindzey This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.