English verb conjugation
TO UNDERPIN
Regular verb: underpin - underpinned - underpinned
Present | Present continuous | Preterite | Preterite continuous |
| I underpin you underpin she underpins we underpin you underpin they underpin | I am underpinning you are underpinning she is underpinning we are underpinning you are underpinning they are underpinning | I underpinned you underpinned she underpinned we underpinned you underpinned they underpinned | I was underpinning you were underpinning she was underpinning we were underpinning you were underpinning they were underpinning |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I have underpinned you have underpinned she has underpinned we have underpinned you have underpinned they have underpinned | I have been underpinning you have been underpinning she has been underpinning we have been underpinning you have been underpinning they have been underpinning | I had underpinned you had underpinned she had underpinned we had underpinned you had underpinned they had underpinned | I had been underpinning you had been underpinning she had been underpinning we had been underpinning you had been underpinning they had been underpinning |
Future | Future continuous | Future perfect | Future perfect continuous |
| I will underpin you will underpin she will underpin we will underpin you will underpin they will underpin | I will be underpinning you will be underpinning she will be underpinning we will be underpinning you will be underpinning they will be underpinning | I will have underpinned you will have underpinned she will have underpinned we will have underpinned you will have underpinned they will have underpinned | I will have been underpinning you will have been underpinning she will have been underpinning we will have been underpinning you will have been underpinning they will have been underpinning |
Present | Present continuous | Past | Past continuous |
| I would underpin you would underpin she would underpin we would underpin you would underpin they would underpin | I would be underpinning you would be underpinning she would be underpinning we would be underpinning you would be underpinning they would be underpinning | I would have underpinned you would have underpinned she would have underpinned we would have underpinned you would have underpinned they would have underpinned | I would have been underpinning you would have been underpinning she would have been underpinning we would have been underpinning you would have been underpinning they would have been underpinning |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to underpin | underpin Let's underpin underpin |
Present | Past | ||
| underpinning | underpinned |