could attest
Verbo regolare: attest - attested- attested

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could attest
you could attest
he could attest
we could attest
you could attest
they could attest 	I could be attesting
you could be attesting
he could be attesting
we could be attesting
you could be attesting
they could be attesting	I could have attested
you could have attested
he could have attested
we could have attested
you could have attested
they could have attested	I could have been attesting
you could have been attesting
he could have been attesting
we could have been attesting
you could have been attesting
they could have been attesting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't attest
you couldn't attest
he couldn't attest
we couldn't attest
you couldn't attest
they couldn't attest 	I couldn't be attesting
you couldn't be attesting
he couldn't be attesting
we couldn't be attesting
you couldn't be attesting
they couldn't be attesting	I couldn't have attested
you couldn't have attested
he couldn't have attested
we couldn't have attested
you couldn't have attested
they couldn't have attested	I couldn't have been attesting
you couldn't have been attesting
he couldn't have been attesting
we couldn't have been attesting
you couldn't have been attesting
they couldn't have been attesting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I attest?
could you attest?
could he attest?
could we attest?
could you attest?
could they attest? 	could I be attesting?
could you be attesting?
could he be attesting?
could we be attesting?
could you be attesting?
could they be attesting? 	could I have attested?
could you have attested?
could he have attested?
could we have attested?
could you have attested?
could they have attested? 	could I have been attesting?
could you have been attesting?
could he have been attesting?
could we have been attesting?
could you have been attesting?
could they have been attesting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I attest?
couldn't you attest?
couldn't he attest?
couldn't we attest?
couldn't you attest?
couldn't they attest? 	couldn't I be attesting?
couldn't you be attesting?
couldn't he be attesting?
couldn't we be attesting?
couldn't you be attesting?
couldn't they be attesting? 	couldn't I have attested?
couldn't you have attested?
couldn't he have attested?
couldn't we have attested?
couldn't you have attested?
couldn't they have attested? 	couldn't I have been attesting?
couldn't you have been attesting?
couldn't he have been attesting?
couldn't we have been attesting?
couldn't you have been attesting?
couldn't they have been attesting?