I'll be certifying you'll be certifying he'll be certifying we'll be certifying you'll be certifying they'll be certifying
Perfect
I'll have certified you'll have certified he'll have certified we'll have certified you'll have certified they'll have certified
Perfect en V-ing
I'll have been certifying you'll have been certifying he'll have been certifying we'll have been certifying you'll have been certifying they'll have been certifying
Négation
Forme simple
I shan't certify you shan't certify he shan't certify we shan't certify you shan't certify they shan't certify
Forme en V-ing
I shan't be certifying you shan't be certifying he shan't be certifying we shan't be certifying you shan't be certifying they shan't be certifying
Perfect
I shan't have certified you shan't have certified he shan't have certified we shan't have certified you shan't have certified they shan't have certified
Perfect en V-ing
I shan't have been certifying you shan't have been certifying he shan't have been certifying we shan't have been certifying you shan't have been certifying they shan't have been certifying
Forme interrogative
Forme simple
shall I certify? shall you certify? shall he certify? shall we certify? shall you certify? shall they certify?
Forme en V-ing
shall I be certifying? shall you be certifying? shall he be certifying? shall we be certifying? shall you be certifying? shall they be certifying?
Perfect
shall I have certified? shall you have certified? shall he have certified? shall we have certified? shall you have certified? shall they have certified?
Perfect en V-ing
shall I have been certifying? shall you have been certifying? shall he have been certifying? shall we have been certifying? shall you have been certifying? shall they have been certifying?
Forme interro-négative
Forme simple
shan't I certify? shan't you certify? shan't he certify? shan't we certify? shan't you certify? shan't they certify?
Forme en V-ing
shan't I be certifying? shan't you be certifying? shan't he be certifying? shan't we be certifying? shan't you be certifying? shan't they be certifying?
Perfect
shan't I have certified? shan't you have certified? shan't he have certified? shan't we have certified? shan't you have certified? shan't they have certified?
Perfect en V-ing
shan't I have been certifying? shan't you have been certifying? shan't he have been certifying? shan't we have been certifying? shan't you have been certifying? shan't they have been certifying?