Present participle; Past participle - acting - acted Present - act - act - acts - act - act - act Past - acted - acted - acted - acted - acted - acted Future - will act - will act - will act - will act - will act - will act Present conditional - would act - would act - would act - would act - would act - would act Present Perfect - have acted - have acted - has acted - have acted - have acted - have acted Past Perfect - had acted - had acted - had acted - had acted - had acted - had acted Future Perfect - will have acted - will have acted - will have acted - will have acted - will have acted - will have acted Past conditional - would have acted - would have acted - would have acted - would have acted - would have acted - would have acted Imperative - - - act - - - - - - - -