English verb conjugation
TO UNDERPIN
Regular verb: underpin - underpinned - underpinned
Present | Present continuous | Preterite | Preterite continuous |
| I do not underpin you do not underpin he does not underpin we do not underpin you do not underpin they do not underpin | I am not underpinning you are not underpinning he is not underpinning we are not underpinning you are not underpinning they are not underpinning | I did not underpin you did not underpin he did not underpin we did not underpin you did not underpin they did not underpin | I was not underpinning you were not underpinning he was not underpinning we were not underpinning you were not underpinning they were not underpinning |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I have not underpinned you have not underpinned he has not underpinned we have not underpinned you have not underpinned they have not underpinned | I have not been underpinning you have not been underpinning he has not been underpinning we have not been underpinning you have not been underpinning they have not been underpinning | I had not underpinned you had not underpinned he had not underpinned we had not underpinned you had not underpinned they had not underpinned | I had not been underpinning you had not been underpinning he had not been underpinning we had not been underpinning you had not been underpinning they had not been underpinning |
Future | Future continuous | Future perfect | Future perfect continuous |
| I will not underpin you will not underpin he will not underpin we will not underpin you will not underpin they will not underpin | I will not be underpinning you will not be underpinning he will not be underpinning we will not be underpinning you will not be underpinning they will not be underpinning | I will not have underpinned you will not have underpinned he will not have underpinned we will not have underpinned you will not have underpinned they will not have underpinned | I will not have been underpinning you will not have been underpinning he will not have been underpinning we will not have been underpinning you will not have been underpinning they will not have been underpinning |
Present | Present continuous | Past | Past continuous |
| I would not underpin you would not underpin he would not underpin we would not underpin you would not underpin they would not underpin | I would not be underpinning you would not be underpinning he would not be underpinning we would not be underpinning you would not be underpinning they would not be underpinning | I would not have underpinned you would not have underpinned he would not have underpinned we would not have underpinned you would not have underpinned they would not have underpinned | I would not have been underpinning you would not have been underpinning he would not have been underpinning we would not have been underpinning you would not have been underpinning they would not have been underpinning |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to underpin | do not underpin Let's not underpin do not underpin |
Present | Past | ||
| underpinning | underpinned |