can attribute
Verbo regular: attribute - attributed- attributed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can attribute
you can attribute
she can attribute
we can attribute
you can attribute
they can attribute 	I can be attributing
you can be attributing
she can be attributing
we can be attributing
you can be attributing
they can be attributing	I can have attributed
you can have attributed
she can have attributed
we can have attributed
you can have attributed
they can have attributed	I can have been attributing
you can have been attributing
she can have been attributing
we can have been attributing
you can have been attributing
they can have been attributing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot attribute
you cannot attribute
she cannot attribute
we cannot attribute
you cannot attribute
they cannot attribute 	I cannot be attributing
you cannot be attributing
she cannot be attributing
we cannot be attributing
you cannot be attributing
they cannot be attributing	I cannot have attributed
you cannot have attributed
she cannot have attributed
we cannot have attributed
you cannot have attributed
they cannot have attributed	I cannot have been attributing
you cannot have been attributing
she cannot have been attributing
we cannot have been attributing
you cannot have been attributing
they cannot have been attributing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I attribute?
can you attribute?
can she attribute?
can we attribute?
can you attribute?
can they attribute? 	can I be attributing?
can you be attributing?
can she be attributing?
can we be attributing?
can you be attributing?
can they be attributing? 	can I have attributed?
can you have attributed?
can she have attributed?
can we have attributed?
can you have attributed?
can they have attributed? 	can I have been attributing?
can you have been attributing?
can she have been attributing?
can we have been attributing?
can you have been attributing?
can they have been attributing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not attribute?
can you not attribute?
can she not attribute?
can we not attribute?
can you not attribute?
can they not attribute? 	can I not be attributing?
can you not be attributing?
can she not be attributing?
can we not be attributing?
can you not be attributing?
can they not be attributing? 	can I not have attributed?
can you not have attributed?
can she not have attributed?
can we not have attributed?
can you not have attributed?
can they not have attributed? 	can I not have been attributing?
can you not have been attributing?
can she not have been attributing?
can we not have been attributing?
can you not have been attributing?
can they not have been attributing?