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