can attenuate
Verbo regular: attenuate - attenuated- attenuated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can attenuate
you can attenuate
he can attenuate
we can attenuate
you can attenuate
they can attenuate 	I can be attenuating
you can be attenuating
he can be attenuating
we can be attenuating
you can be attenuating
they can be attenuating	I can have attenuated
you can have attenuated
he can have attenuated
we can have attenuated
you can have attenuated
they can have attenuated	I can have been attenuating
you can have been attenuating
he can have been attenuating
we can have been attenuating
you can have been attenuating
they can have been attenuating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot attenuate
you cannot attenuate
he cannot attenuate
we cannot attenuate
you cannot attenuate
they cannot attenuate 	I cannot be attenuating
you cannot be attenuating
he cannot be attenuating
we cannot be attenuating
you cannot be attenuating
they cannot be attenuating	I cannot have attenuated
you cannot have attenuated
he cannot have attenuated
we cannot have attenuated
you cannot have attenuated
they cannot have attenuated	I cannot have been attenuating
you cannot have been attenuating
he cannot have been attenuating
we cannot have been attenuating
you cannot have been attenuating
they cannot have been attenuating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I attenuate?
can you attenuate?
can he attenuate?
can we attenuate?
can you attenuate?
can they attenuate? 	can I be attenuating?
can you be attenuating?
can he be attenuating?
can we be attenuating?
can you be attenuating?
can they be attenuating? 	can I have attenuated?
can you have attenuated?
can he have attenuated?
can we have attenuated?
can you have attenuated?
can they have attenuated? 	can I have been attenuating?
can you have been attenuating?
can he have been attenuating?
can we have been attenuating?
can you have been attenuating?
can they have been attenuating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not attenuate?
can you not attenuate?
can he not attenuate?
can we not attenuate?
can you not attenuate?
can they not attenuate? 	can I not be attenuating?
can you not be attenuating?
can he not be attenuating?
can we not be attenuating?
can you not be attenuating?
can they not be attenuating? 	can I not have attenuated?
can you not have attenuated?
can he not have attenuated?
can we not have attenuated?
can you not have attenuated?
can they not have attenuated? 	can I not have been attenuating?
can you not have been attenuating?
can he not have been attenuating?
can we not have been attenuating?
can you not have been attenuating?
can they not have been attenuating?