à â á æ ß ç é ê è ë î ï í ñ ô ö œ ü û ú ù
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English conjugation of the verb "to ascertain" in Present Simple Tense
Simple Forms

Basic Forms

  • Infinitive
  • to ascertain
  •  
  • Imperative
  • ascertain
  • let's ascertain
  • ascertain
  • Present Participle
  • ascertaining
  •  
  • Past Participle
  • ascertained
  •  
Indicative:

Present

  • I ascertain
  • you ascertain
  • he/she/it ascertains
  • we ascertain
  • you ascertain
  • they ascertain

Past

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

Compound Forms

Past Participle

  • having ascertained
Indicative

Present continuous

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

Present perfect

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

Future

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

Future Perfect

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

Past continuous

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

Past perfect

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

Future continuous

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

Present perfect continuous

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

Past perfect continuous

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

Future perfect continuous

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

Basic Forms

  • Infinitive
  • not to ascertain
  •  
  • Imperative
  • do not ascertain
  • let's not ascertain
  • do not ascertain
  • Present Participle
  • not ascertaining
  •  
  • Past Participle
  • not ascertained
  •  

Present

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

Past

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

Past Participle

  • not having ascertained

Present continuous

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

Present perfect

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

Future

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

Future Perfect

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

Past continuous

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

Past perfect

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

Future continuous

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

Present perfect continuous

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

Past perfect continuous

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

Future perfect continuous

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

Present

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

Past

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

Present continuous

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

Present perfect

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

Future

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

Future Perfect

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

Past continuous

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

Past perfect

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

Future continuous

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

Present perfect continuous

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

Past perfect continuous

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

Future perfect continuous

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

Definitions:

  • -  Be careful or certain to do something; make certain of something
  • -  Learn or discover with certainty
  • -  Establish after a calculation, investigation, experiment, survey, or study
  • -  Find out, learn, or determine with certainty, usually by making an inquiry or other effort

Examples:

  • -  Control the quality of the product
  • -  The physicist who found the elusive particle won the Nobel Prize
  • -  Check whether the train leaves on time

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