may attest
Regular verb: attest - attested- attested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may attest
you may attest
he may attest
we may attest
you may attest
they may attest 	I may be attesting
you may be attesting
he may be attesting
we may be attesting
you may be attesting
they may be attesting	I may have attested
you may have attested
he may have attested
we may have attested
you may have attested
they may have attested	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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't attest
you mayn't attest
he mayn't attest
we mayn't attest
you mayn't attest
they mayn't attest 	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	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	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	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I attest?
may you attest?
may he attest?
may we attest?
may you attest?
may they attest? 	may I be attesting?
may you be attesting?
may he be attesting?
may we be attesting?
may you be attesting?
may they be attesting? 	may I have attested?
may you have attested?
may he have attested?
may we have attested?
may you have attested?
may they have attested? 	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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I attest?
mayn't you attest?
mayn't he attest?
mayn't we attest?
mayn't you attest?
mayn't they attest? 	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? 	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? 	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?