Verb stiffen
in present participle: stiffening,
in past participle: stiffened.
in past participle: stiffened.
Your question...Conjugation of the verb "stiffen" for all English tenses and persons.
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Present
I stiffen
You stiffen
He/She/It stiffens
We stiffen
You stiffen
They stiffen
Past
I stiffened
You stiffened
He/She/It stiffened
We stiffened
You stiffened
They stiffened
Future
I will stiffen
You will stiffen
He/She/It will stiffen
We will stiffen
You will stiffen
They will stiffen
Present conditional
I would stiffen
You would stiffen
He/She/It would stiffen
We would stiffen
You would stiffen
They would stiffen
Present Perfect
I have stiffened
You have stiffened
He/She/It has stiffened
We have stiffened
You have stiffened
They have stiffened
Past Perfect
I had stiffened
You had stiffened
He/She/It had stiffened
We had stiffened
You had stiffened
They had stiffened
Future Perfect
I will have stiffened
You will have stiffened
He/She/It will have stiffened
We will have stiffened
You will have stiffened
They will have stiffened
Past conditional
I would have stiffened
You would have stiffened
He/She/It would have stiffened
We would have stiffened
You would have stiffened
They would have stiffened
Imperative
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You stiffen
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New translations
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Our verbs:
English verbs and their conjugations
+ Present
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Our verbs:
English verbs and their conjugations
+ Present
+ Past
+ Future
+ Present Conditional
+ Present perfect
+ Past Perfect
+ Future Perfect
+ Past Conditional
+ Imperative