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