English verb conjugation
TO ASCERTAIN
Regular verb: ascertain - ascertained - ascertained
Present | Present continuous | Preterite | Preterite continuous |
| I ascertain you ascertain he ascertains we ascertain you ascertain they ascertain | I am ascertaining you are ascertaining he is ascertaining we are ascertaining you are ascertaining they are ascertaining | I ascertained you ascertained he ascertained we ascertained you ascertained they ascertained | I was ascertaining you were ascertaining he was ascertaining we were ascertaining you were ascertaining they were ascertaining |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I have ascertained you have ascertained he has ascertained we have ascertained you have ascertained they have ascertained | I have been ascertaining you have been ascertaining he has been ascertaining we have been ascertaining you have been ascertaining they have been ascertaining | I had ascertained you had ascertained he had ascertained we had ascertained you had ascertained they had ascertained | I had been ascertaining you had been ascertaining he had been ascertaining we had been ascertaining you had been ascertaining they had been ascertaining |
Future | Future continuous | Future perfect | Future perfect continuous |
| I will ascertain you will ascertain he will ascertain we will ascertain you will ascertain they will ascertain | I will be ascertaining you will be ascertaining he will be ascertaining we will be ascertaining you will be ascertaining they will be ascertaining | I will have ascertained you will have ascertained he will have ascertained we will have ascertained you will have ascertained they will have ascertained | I will have been ascertaining you will have been ascertaining he will have been ascertaining we will have been ascertaining you will have been ascertaining they will have been ascertaining |
Present | Present continuous | Past | Past continuous |
| I would ascertain you would ascertain he would ascertain we would ascertain you would ascertain they would ascertain | I would be ascertaining you would be ascertaining he would be ascertaining we would be ascertaining you would be ascertaining they would be ascertaining | I would have ascertained you would have ascertained he would have ascertained we would have ascertained you would have ascertained they would have ascertained | I would have been ascertaining you would have been ascertaining he would have been ascertaining we would have been ascertaining you would have been ascertaining they would have been ascertaining |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to ascertain | ascertain Let's ascertain ascertain |
Present | Past | ||
| ascertaining | ascertained |