stiffened
past tense of stiffen is stiffened.
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Stiffen Past Tense
Stiffen verb forms
| Infinitive | Present Participle | Past Tense | Past Participle |
|---|---|---|---|
| stiffen | stiffening | stiffened | stiffened |
Conjugation of Stiffen
| Simple / Indefinite Present Tense |
|---|
| He/She/It stiffens . |
| I stiffen. |
| You/We/They stiffen. |
| Present Continuous Tense |
|---|
| He/She/It is stiffening. |
| I am stiffening. |
| You/We/They are stiffening. |
| Present Perfect Tense |
|---|
| He/She/It has stiffened. |
| I have stiffened. |
| You/We/They have stiffened. |
| Present Perfect Continuous Tense |
|---|
| He/She/It has been stiffening. |
| I have been stiffening. |
| You/We/They have been stiffening. |
| Simple Past Tense |
|---|
| He/She/It stiffened. |
| I stiffened. |
| You/We/They stiffened. |
| Past Continuous Tense |
|---|
| He/She/It was stiffening. |
| I was stiffening. |
| You/We/They were stiffening. |
| Past Perfect Tense |
|---|
| He/She/It had stiffened. |
| I had stiffened. |
| You/We/They had stiffened. |
| Past Perfect Continuous Tense |
|---|
| He/She/It had been stiffening. |
| I had been stiffening. |
| You/We/They had been stiffening. |
| Simple Future Tense |
|---|
| He/She/It will/shall stiffen. |
| I will/shall stiffen. |
| You/We/They will/shall stiffen. |
| Future Continuous Tense |
|---|
| He/She/It will/shall be stiffening. |
| I will/shall be stiffening. |
| You/We/They will/shall be stiffening. |
| Future Perfect Tense |
|---|
| He/She/It will/shall have stiffened. |
| I will/shall have stiffened. |
| You/We/They will/shall have stiffened. |
| Future Perfect Continuous Tense |
|---|
| He/She/It will/shall have been stiffening. |
| I will/shall have been stiffening. |
| You/We/They will/shall have been stiffening. |