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
he could attenuate
we could attenuate
you could attenuate
they could attenuate 	I could be attenuating
you could be attenuating
he could be attenuating
we could be attenuating
you could be attenuating
they could be attenuating	I could have attenuated
you could have attenuated
he 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
he 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
he 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
he 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
he 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
he 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 he attenuate?
could we attenuate?
could you attenuate?
could they attenuate? 	could I be attenuating?
could you be attenuating?
could he be attenuating?
could we be attenuating?
could you be attenuating?
could they be attenuating? 	could I have attenuated?
could you have attenuated?
could he 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 he 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 he 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 he 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 he 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 he not have been attenuating?
could we not have been attenuating?
could you not have been attenuating?
could they not have been attenuating?