Conjugation of the verb pleuvasser
Active 
Indicative 
Present
il pleuvasse
Imperfect
il pleuvassait
Simple past
il pleuvassa
Future
il pleuvassera
Present perfect
il a pleuvassé
Pluperfect
il avait pleuvassé
Past anterior
il eut pleuvassé
Future perfect
il aura pleuvassé
Subjunctive 
Present
qu'il pleuvasse
Imperfect
qu'il pleuvassât
Past
qu'il ait pleuvassé
Pluperfect
qu'il eût pleuvassé
Conditional 
Present
il pleuvasserait
Past 1
il aurait pleuvassé
Past 2
il eût pleuvassé
Imperative 
Present
Past
Participle 
Present
pleuvassant
Past
pleuvassé
ayant pleuvassé
Infinitive 
Present
pleuvasser
Past
avoir pleuvassé