could attenuate
Verbo regolare: attenuate - attenuated- attenuated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could attenuate
you could attenuate
she could attenuate
we could attenuate
you could attenuate
they could attenuate 	I could be attenuating
you could be attenuating
she could be attenuating
we could be attenuating
you could be attenuating
they could be attenuating	I could have attenuated
you could have attenuated
she could have attenuated
we could have attenuated
you could have attenuated
they could have attenuated	I could have been attenuating
you could have been attenuating
she could have been attenuating
we could have been attenuating
you could have been attenuating
they could have been attenuating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not attenuate
you could not attenuate
she could not attenuate
we could not attenuate
you could not attenuate
they could not attenuate 	I could not be attenuating
you could not be attenuating
she could not be attenuating
we could not be attenuating
you could not be attenuating
they could not be attenuating	I could not have attenuated
you could not have attenuated
she could not have attenuated
we could not have attenuated
you could not have attenuated
they could not have attenuated	I could not have been attenuating
you could not have been attenuating
she could not have been attenuating
we could not have been attenuating
you could not have been attenuating
they could not have been attenuating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I attenuate?
could you attenuate?
could she attenuate?
could we attenuate?
could you attenuate?
could they attenuate? 	could I be attenuating?
could you be attenuating?
could she be attenuating?
could we be attenuating?
could you be attenuating?
could they be attenuating? 	could I have attenuated?
could you have attenuated?
could she have attenuated?
could we have attenuated?
could you have attenuated?
could they have attenuated? 	could I have been attenuating?
could you have been attenuating?
could she have been attenuating?
could we have been attenuating?
could you have been attenuating?
could they have been attenuating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not attenuate?
could you not attenuate?
could she not attenuate?
could we not attenuate?
could you not attenuate?
could they not attenuate? 	could I not be attenuating?
could you not be attenuating?
could she not be attenuating?
could we not be attenuating?
could you not be attenuating?
could they not be attenuating? 	could I not have attenuated?
could you not have attenuated?
could she not have attenuated?
could we not have attenuated?
could you not have attenuated?
could they not have attenuated? 	could I not have been attenuating?
could you not have been attenuating?
could she not have been attenuating?
could we not have been attenuating?
could you not have been attenuating?
could they not have been attenuating?