Conjugations of the English verb stiffen can be found below. To conjugate any other English or French verb you can use the search box on the top of the page. Click the translation icon Translation button to translate each conjugation. To help you learn this verb you can test yourself on its conjugation. Do this by clicking on the yellow Test button on the top right.
 

Indicative

Present
T
I stiffen
you stiffen
he stiffens
we stiffen
they stiffen
Perfect
T
I have stiffened
you have stiffened
he has stiffened
we have stiffened
they have stiffened
Past
I stiffened
you stiffened
he stiffened
we stiffened
they stiffened
Pluperfect
I had stiffened
you had stiffened
he had stiffened
we had stiffened
they had stiffened
Future
I will stiffen
you will stiffen
he will stiffen
we will stiffen
they will stiffen
Future perfect
I will have stiffened
you will have stiffened
he will have stiffened
we will have stiffened
they will have stiffened

Imperative

Present
stiffen!
let's stiffen!
 
 
 

Conditional

Present
I would stiffen
you would stiffen
he would stiffen
we would stiffen
they would stiffen
Perfect
I would have stiffened
you would have stiffened
he would have stiffened
we would have stiffened
they would have stiffened

Conjunctive

Present
I stiffen
you stiffen
he stiffen
we stiffen
they stiffen
Perfect
I have stiffened
you have stiffened
he have stiffened
we have stiffened
they have stiffened
Past
 
I stiffened
you stiffened
he stiffened
we stiffened
they stiffened
Pluperfect
 
I had stiffened
you had stiffened
he had stiffened
we had stiffened
they had stiffened

Participle

Gerund
stiffening
Past
stiffened