Conjugaison du verbe anglais
OUGHT TO PREASCERTAIN

Verbe régulier : preascertain - preascertained - preascertained

Affirmation

Forme simple	Forme en V-ing
I ought to preascertain you ought to preascertain he ought to preascertain we ought to preascertain you ought to preascertain they ought to preascertain	I ought to be preascertaining you ought to be preascertaining he ought to be preascertaining we ought to be preascertaining you ought to be preascertaining they ought to be preascertaining
Perfect	Perfect en V-ing
I ought to have preascertained you ought to have preascertained he ought to have preascertained we ought to have preascertained you ought to have preascertained they ought to have preascertained	I ought to have been preascertaining you ought to have been preascertaining he ought to have been preascertaining we ought to have been preascertaining you ought to have been preascertaining they ought to have been preascertaining

Négation

Forme simple	Forme en V-ing
I ought not to preascertain you ought not to preascertain he ought not to preascertain we ought not to preascertain you ought not to preascertain they ought not to preascertain	I ought not to preascertaining you ought not to preascertaining he ought not to preascertaining we ought not to preascertaining you ought not to preascertaining they ought not to preascertaining
Perfect	Perfect en V-ing
I ought not to have preascertained you ought not to have preascertained he ought not to have preascertained we ought not to have preascertained you ought not to have preascertained they ought not to have preascertained	I ought not to have been preascertaining you ought not to have been preascertaining he ought not to have been preascertaining we ought not to have been preascertaining you ought not to have been preascertaining they ought not to have been preascertaining

Forme interrogative

Forme simple	Forme en V-ing
ought to I preascertain? ought to you preascertain? ought to he preascertain? ought to we preascertain? ought to you preascertain? ought to they preascertain?	ought to I be preascertaining? ought to you be preascertaining? ought to he be preascertaining? ought to we be preascertaining? ought to you be preascertaining? ought to they be preascertaining?
Perfect	Perfect en V-ing
ought to I have preascertained? ought to you have preascertained? ought to he have preascertained? ought to we have preascertained? ought to you have preascertained? ought to they have preascertained?	ought to I have been preascertaining? ought to you have been preascertaining? ought to he have been preascertaining? ought to we have been preascertaining? ought to you have been preascertaining? ought to they have been preascertaining?

Forme interro-négative

Forme simple	Forme en V-ing
ought I not to preascertain? ought you not to preascertain? ought he not to preascertain? ought we not to preascertain? ought you not to preascertain? ought they not to preascertain?	ought I not to be preascertaining? ought you not to be preascertaining? ought he not to be preascertaining? ought we not to be preascertaining? ought you not to be preascertaining? ought they not to be preascertaining?
Perfect	Perfect en V-ing
ought I not to have preascertained? ought you not to have preascertained? ought he not to have preascertained? ought we not to have preascertained? ought you not to have preascertained? ought they not to have preascertained?	ought I not to have been preascertaining? ought you not to have been preascertaining? ought he not to have been preascertaining? ought we not to have been preascertaining? ought you not to have been preascertaining? ought they not to have been preascertaining?