I'll be attesting you'll be attesting she'll be attesting we'll be attesting you'll be attesting they'll be attesting
Perfect
I'll have attested you'll have attested she'll have attested we'll have attested you'll have attested they'll have attested
V-ing perfect
I'll have been attesting you'll have been attesting she'll have been attesting we'll have been attesting you'll have been attesting they'll have been attesting
Negation
Simple form
I shan't attest you shan't attest she shan't attest we shan't attest you shan't attest they shan't attest
V-ing form
I shan't be attesting you shan't be attesting she 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 she shan't have attested we shan't have attested you shan't have attested they shan't have attested
V-ing perfect
I shan't have been attesting you shan't have been attesting she shan't have been attesting we shan't have been attesting you shan't have been attesting they shan't have been attesting
Interrogative form
Simple form
shall I attest? shall you attest? shall she attest? shall we attest? shall you attest? shall they attest?
V-ing form
shall I be attesting? shall you be attesting? shall she be attesting? shall we be attesting? shall you be attesting? shall they be attesting?
Perfect
shall I have attested? shall you have attested? shall she have attested? shall we have attested? shall you have attested? shall they have attested?
V-ing perfect
shall I have been attesting? shall you have been attesting? shall she have been attesting? shall we have been attesting? shall you have been attesting? shall they have been attesting?
Interro-negative form
Simple form
shan't I attest? shan't you attest? shan't she attest? shan't we attest? shan't you attest? shan't they attest?
V-ing form
shan't I be attesting? shan't you be attesting? shan't she 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 she have attested? shan't we have attested? shan't you have attested? shan't they have attested?
V-ing perfect
shan't I have been attesting? shan't you have been attesting? shan't she have been attesting? shan't we have been attesting? shan't you have been attesting? shan't they have been attesting?