past
tense
of.net
tense
of.net
Past tense of stiffen
Simple past
- Stiffened
Past participle
- Stiffened
All forms of the verb stiffen
| Infinitive | To stiffen |
|---|---|
| Base form | Stiffen |
| Present participle | Stiffening |
| Past tense |
|
| Past participle |
|
| Infinitive | To stiffen |
|---|---|
| Base form | Stiffen |
| Present participle | Stiffening |
| Past tense |
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| Past participle |
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