English verb conjugation TO STIFFEN

Regular verb: stiffen - stiffened - stiffened

Indicative

Present

I don't stiffen
you don't stiffen
he doesn't stiffen
we don't stiffen
you don't stiffen
they don't stiffen

Present continuous

I'm not stiffening
you aren't stiffening
he isn't stiffening
we aren't stiffening
you aren't stiffening
they aren't stiffening

Preterite

I didn't stiffen
you didn't stiffen
he didn't stiffen
we didn't stiffen
you didn't stiffen
they didn't stiffen

Preterite continuous

I wasn't stiffening
you weren't stiffening
he wasn't stiffening
we weren't stiffening
you weren't stiffening
they weren't stiffening

Present perfect

I haven't stiffened
you haven't stiffened
he hasn't stiffened
we haven't stiffened
you haven't stiffened
they haven't stiffened

Present perfect continuous

I haven't been stiffening
you haven't been stiffening
he hasn't been stiffening
we haven't been stiffening
you haven't been stiffening
they haven't been stiffening

Pluperfect

I hadn't stiffened
you hadn't stiffened
he hadn't stiffened
we hadn't stiffened
you hadn't stiffened
they hadn't stiffened

Pluperfect continuous

I hadn't been stiffening
you hadn't been stiffening
he hadn't been stiffening
we hadn't been stiffening
you hadn't been stiffening
they hadn't been stiffening

Future

I won't stiffen
you won't stiffen
he won't stiffen
we won't stiffen
you won't stiffen
they won't stiffen

Future continuous

I won't be stiffening
you won't be stiffening
he won't be stiffening
we won't be stiffening
you won't be stiffening
they won't be stiffening

Future perfect

I won't have stiffened
you won't have stiffened
he won't have stiffened
we won't have stiffened
you won't have stiffened
they won't have stiffened

Future perfect continuous

I won't have been stiffening
you won't have been stiffening
he won't have been stiffening
we won't have been stiffening
you won't have been stiffening
they won't have been stiffening

Conditional

Present

I wouldn't stiffen
you wouldn't stiffen
he wouldn't stiffen
we wouldn't stiffen
you wouldn't stiffen
they wouldn't stiffen

Present continuous

I wouldn't be stiffening
you wouldn't be stiffening
he wouldn't be stiffening
we wouldn't be stiffening
you wouldn't be stiffening
they wouldn't be stiffening

Past

I wouldn't have stiffened
you wouldn't have stiffened
he wouldn't have stiffened
we wouldn't have stiffened
you wouldn't have stiffened
they wouldn't have stiffened

Past continuous

I wouldn't have been stiffening
you wouldn't have been stiffening
he wouldn't have been stiffening
we wouldn't have been stiffening
you wouldn't have been stiffening
they wouldn't have been stiffening

Imperative

do not stiffen
Let's not stiffen
do not stiffen

Infinitive

to stiffen

Participle

Present

stiffening

Past

stiffened

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