present perfect

noun 0.779

pluperfect tense

noun 0.773

past continuous

noun 0.768

pluperfect

noun 0.764

perfect tense

noun 0.753

past participle

noun 0.737

past tense

noun 0.719

past historic

noun 0.715

simple past

noun 0.712

past

noun 0.666

imperfect tense

noun 0.659

future perfect

noun 0.645

previous

noun 0.642

prior

noun 0.640

past progressive

noun 0.623

preterite tense

noun 0.615

conditional tense

noun 0.614

future participle

noun 0.602

preterite

noun 0.586

perfect infinitive

noun 0.584

perfective

noun 0.583

perfect passive participle

noun 0.582

past master

noun 0.577

imperfect

noun 0.577

relative tense

noun 0.576

perfective aspect

noun 0.563

historic present

noun 0.558

imperfect subjunctive

noun 0.557

antecedent

noun 0.556

prehistory

noun 0.554

yesterday

noun 0.550

predecessor

noun 0.549

former

noun 0.548

imperfect indicative

noun 0.547

absolute tense

noun 0.545

antecedence

noun 0.544

prepositive

noun 0.543

perfect

noun 0.540

preverb

noun 0.538

imperfectness

noun 0.538

imperfective

noun 0.534

prequel

noun 0.532

predate

noun 0.531

bygone

noun 0.530

prior knowledge

noun 0.529

day gone by

noun 0.527

historical

noun 0.526

preexistence

noun 0.525

fore

noun 0.524

present participle

noun 0.524

perfectness

noun 0.521

might-have-been

noun 0.521

in hindsight

noun 0.516

simple present

noun 0.515

antecedent phrase

noun 0.513

backshift

noun 0.512

yesteryear

noun 0.512

perfectivity

noun 0.511

preacquisition

noun 0.510

hindcast

noun 0.510

post hoc

noun 0.509

ante

noun 0.508

postpositive

noun 0.507

yesterday night

noun 0.506

participle

noun 0.506

having

noun 0.506

half past

noun 0.504

aforementioned

noun 0.502