past
tense
of.net
tense
of.net
Past tense of underpin
Simple past
- Underpinned
Past participle
- Underpinned
All forms of the verb underpin
| Infinitive | To underpin |
|---|---|
| Base form | Underpin |
| Present participle | Underpinning |
| Past tense |
|
| Past participle |
|
| Infinitive | To underpin |
|---|---|
| Base form | Underpin |
| Present participle | Underpinning |
| Past tense |
|
| Past participle |
|