I ascertain you ascertain she ascertains we ascertain you ascertain they ascertain
Présent continu
I am ascertaining you are ascertaining she is ascertaining we are ascertaining you are ascertaining they are ascertaining
Prétérit
I ascertained you ascertained she ascertained we ascertained you ascertained they ascertained
Prétérit
I was ascertaining you were ascertaining she was ascertaining we were ascertaining you were ascertaining they were ascertaining
Present perfect
I have ascertained you have ascertained she has ascertained we have ascertained you have ascertained they have ascertained
Present perfect continu
I have been ascertaining you have been ascertaining she has been ascertaining we have been ascertaining you have been ascertaining they have been ascertaining
Pluperfect
I had ascertained you had ascertained she had ascertained we had ascertained you had ascertained they had ascertained
Pluperfect continu
I had been ascertaining you had been ascertaining she had been ascertaining we had been ascertaining you had been ascertaining they had been ascertaining
Futur
I will ascertain you will ascertain she will ascertain we will ascertain you will ascertain they will ascertain
Futur continu
I will be ascertaining you will be ascertaining she will be ascertaining we will be ascertaining you will be ascertaining they will be ascertaining
Futur antérieur
I will have ascertained you will have ascertained she will have ascertained we will have ascertained you will have ascertained they will have ascertained
Futur antérieur continu
I will have been ascertaining you will have been ascertaining she will have been ascertaining we will have been ascertaining you will have been ascertaining they will have been ascertaining
Conditionnel
Présent
I would ascertain you would ascertain she would ascertain we would ascertain you would ascertain they would ascertain
Présent continu
I would be ascertaining you would be ascertaining she would be ascertaining we would be ascertaining you would be ascertaining they would be ascertaining
Passé
I would have ascertained you would have ascertained she would have ascertained we would have ascertained you would have ascertained they would have ascertained
Passé continu
I would have been ascertaining you would have been ascertaining she would have been ascertaining we would have been ascertaining you would have been ascertaining they would have been ascertaining