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English conjugation of the verb "to underpin" in Present Simple Tense
Simple Forms

Basic Forms

  • Infinitive
  • to underpin
  •  
  • Imperative
  • underpin
  • let's underpin
  • underpin
  • Present Participle
  • underpinning
  •  
  • Past Participle
  • underpinned
  •  
Indicative:

Present

  • I underpin
  • you underpin
  • he/she/it underpins
  • we underpin
  • you underpin
  • they underpin

Past

  • I underpinned
  • you underpinned
  • he/she/it underpinned
  • we underpinned
  • you underpinned
  • they underpinned

Compound Forms

Past Participle

  • having underpinned
Indicative

Present continuous

  • I am underpinning
  • you are underpinning
  • he/she/it is underpinning
  • we are underpinning
  • you are underpinning
  • they are underpinning

Present perfect

  • I have underpinned
  • you have underpinned
  • he/she/it has underpinned
  • we have underpinned
  • you have underpinned
  • they have underpinned

Future

  • I will underpin
  • you will underpin
  • he/she/it will underpin
  • we will underpin
  • you will underpin
  • they will underpin

Future Perfect

  • I will have underpinned
  • you will have underpinned
  • he/she/it will have underpinned
  • we will have underpinned
  • you will have underpinned
  • they will have underpinned

Past continuous

  • I was underpinning
  • you were underpinning
  • he/she/it was underpinning
  • we were underpinning
  • you were underpinning
  • they were underpinning

Past perfect

  • I had underpinned
  • you had underpinned
  • he/she/it had underpinned
  • we had underpinned
  • you had underpinned
  • they had underpinned

Future continuous

  • I will be underpinning
  • you will be underpinning
  • he/she/it will be underpinning
  • we will be underpinning
  • you will be underpinning
  • they will be underpinning

Present perfect continuous

  • I have been underpinning
  • you have been underpinning
  • he/she/it has been underpinning
  • we have been underpinning
  • you have been underpinning
  • they have been underpinning

Past perfect continuous

  • I had been underpinning
  • you had been underpinning
  • he/she/it had been underpinning
  • we had been underpinning
  • you had been underpinning
  • they had been underpinning

Future perfect continuous

  • I will have been underpinning
  • you will have been underpinning
  • he/she/it will have been underpinning
  • we will have been underpinning
  • you will have been underpinning
  • they will have been underpinning

Basic Forms

  • Infinitive
  • not to underpin
  •  
  • Imperative
  • do not underpin
  • let's not underpin
  • do not underpin
  • Present Participle
  • not underpinning
  •  
  • Past Participle
  • not underpinned
  •  

Present

  • I do not underpin
  • you do not underpin
  • he/she/it does not underpin
  • we do not underpin
  • you do not underpin
  • they do not underpin

Past

  • I did not underpin
  • you did not underpin
  • he/she/it did not underpin
  • we did not underpin
  • you did not underpin
  • they did not underpin

Past Participle

  • not having underpinned

Present continuous

  • I am not underpinning
  • you are not underpinning
  • he/she/it is not underpinning
  • we are not underpinning
  • you are not underpinning
  • they are not underpinning

Present perfect

  • I have not underpinned
  • you have not underpinned
  • he/she/it has not underpinned
  • we have not underpinned
  • you have not underpinned
  • they have not underpinned

Future

  • I will not underpin
  • you will not underpin
  • he/she/it will not underpin
  • we will not underpin
  • you will not underpin
  • they will not underpin

Future Perfect

  • I will not have underpinned
  • you will not have underpinned
  • he/she/it will not have underpinned
  • we will not have underpinned
  • you will not have underpinned
  • they will not have underpinned

Past continuous

  • I was not underpinning
  • you were not underpinning
  • he/she/it was not underpinning
  • we were not underpinning
  • you were not underpinning
  • they were not underpinning

Past perfect

  • I had not underpinned
  • you had not underpinned
  • he/she/it had not underpinned
  • we had not underpinned
  • you had not underpinned
  • they had not underpinned

Future continuous

  • I will not be underpinning
  • you will not be underpinning
  • he/she/it will not be underpinning
  • we will not be underpinning
  • you will not be underpinning
  • they will not be underpinning

Present perfect continuous

  • I have not been underpinning
  • you have not been underpinning
  • he/she/it has not been underpinning
  • we have not been underpinning
  • you have not been underpinning
  • they have not been underpinning

Past perfect continuous

  • I had not been underpinning
  • you had not been underpinning
  • he/she/it had not been underpinning
  • we had not been underpinning
  • you had not been underpinning
  • they had not been underpinning

Future perfect continuous

  • I will not have been underpinning
  • you will not have been underpinning
  • he/she/it will not have been underpinning
  • we will not have been underpinning
  • you will not have been underpinning
  • they will not have been underpinning
Indicative:

Present

  • do I underpin ?
  • do you underpin ?
  • does he/she/it underpin ?
  • do we underpin ?
  • do you underpin ?
  • do they underpin ?

Past

  • did I underpin ?
  • did you underpin ?
  • did he/she/it underpin ?
  • did we underpin ?
  • did you underpin ?
  • did they underpin ?
Indicative

Present continuous

  • am I underpinning ?
  • are you underpinning ?
  • is he/she/it underpinning ?
  • are we underpinning ?
  • are you underpinning ?
  • are they underpinning ?

Present perfect

  • have I underpinned ?
  • have you underpinned ?
  • has he/she/it underpinned ?
  • have we underpinned ?
  • have you underpinned ?
  • have they underpinned ?

Future

  • will I underpin ?
  • will you underpin ?
  • will he/she/it underpin ?
  • will we underpin ?
  • will you underpin ?
  • will they underpin ?

Future Perfect

  • will I have underpinned ?
  • will you have underpinned ?
  • will he/she/it have underpinned ?
  • will we have underpinned ?
  • will you have underpinned ?
  • will they have underpinned ?

Past continuous

  • was I underpinning ?
  • were you underpinning ?
  • was he/she/it underpinning ?
  • were we underpinning ?
  • were you underpinning ?
  • were they underpinning ?

Past perfect

  • had I underpinned ?
  • had you underpinned ?
  • had he/she/it underpinned ?
  • had we underpinned ?
  • had you underpinned ?
  • had they underpinned ?

Future continuous

  • will I be underpinning ?
  • will you be underpinning ?
  • will he/she/it be underpinning ?
  • will we be underpinning ?
  • will you be underpinning ?
  • will they be underpinning ?

Present perfect continuous

  • have I been underpinning ?
  • have you been underpinning ?
  • has he/she/it been underpinning ?
  • have we been underpinning ?
  • have you been underpinning ?
  • have they been underpinning ?

Past perfect continuous

  • had I been underpinning ?
  • had you been underpinning ?
  • had he/she/it been underpinning ?
  • had we been underpinning ?
  • had you been underpinning ?
  • had they been underpinning ?

Future perfect continuous

  • will I have been underpinning ?
  • will you have been underpinning ?
  • will he/she/it have been underpinning ?
  • will we have been underpinning ?
  • will you have been underpinning ?
  • will they have been underpinning ?
See also verbs with similar meaning:

Definitions:

  • -  Support from beneath
  • -  Support with evidence or authority or make more certain or confirm

Examples:

  • -  The stories and claims were born out by the evidence

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