Past Tenses
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Unstiffen Past Tense

unstiffened
past tense of unstiffen is unstiffened.

Unstiffen verb forms

InfinitivePresent ParticiplePast TensePast Participle
unstiffenunstiffeningunstiffenedunstiffened

Conjugation of Unstiffen

Simple / Indefinite Present Tense
He/She/It unstiffens .
I unstiffen.
You/We/They unstiffen.

Present Continuous Tense
He/She/It is unstiffening.
I am unstiffening.
You/We/They are unstiffening.

Present Perfect Tense
He/She/It has unstiffened.
I have unstiffened.
You/We/They have unstiffened.

Present Perfect Continuous Tense
He/She/It has been unstiffening.
I have been unstiffening.
You/We/They have been unstiffening.

Simple Past Tense
He/She/It unstiffened.
I unstiffened.
You/We/They unstiffened.

Past Continuous Tense
He/She/It was unstiffening.
I was unstiffening.
You/We/They were unstiffening.

Past Perfect Tense
He/She/It had unstiffened.
I had unstiffened.
You/We/They had unstiffened.

Past Perfect Continuous Tense
He/She/It had been unstiffening.
I had been unstiffening.
You/We/They had been unstiffening.

Simple Future Tense
He/She/It will/shall unstiffen.
I will/shall unstiffen.
You/We/They will/shall unstiffen.

Future Continuous Tense
He/She/It will/shall be unstiffening.
I will/shall be unstiffening.
You/We/They will/shall be unstiffening.

Future Perfect Tense
He/She/It will/shall have unstiffened.
I will/shall have unstiffened.
You/We/They will/shall have unstiffened.

Future Perfect Continuous Tense
He/She/It will/shall have been unstiffening.
I will/shall have been unstiffening.
You/We/They will/shall have been unstiffening.

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