can attend
Verbo regular: attend - attended- attended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can attend
you can attend
she can attend
we can attend
you can attend
they can attend 	I can be attending
you can be attending
she can be attending
we can be attending
you can be attending
they can be attending	I can have attended
you can have attended
she can have attended
we can have attended
you can have attended
they can have attended	I can have been attending
you can have been attending
she can have been attending
we can have been attending
you can have been attending
they can have been attending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot attend
you cannot attend
she cannot attend
we cannot attend
you cannot attend
they cannot attend 	I cannot be attending
you cannot be attending
she cannot be attending
we cannot be attending
you cannot be attending
they cannot be attending	I cannot have attended
you cannot have attended
she cannot have attended
we cannot have attended
you cannot have attended
they cannot have attended	I cannot have been attending
you cannot have been attending
she cannot have been attending
we cannot have been attending
you cannot have been attending
they cannot have been attending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I attend?
can you attend?
can she attend?
can we attend?
can you attend?
can they attend? 	can I be attending?
can you be attending?
can she be attending?
can we be attending?
can you be attending?
can they be attending? 	can I have attended?
can you have attended?
can she have attended?
can we have attended?
can you have attended?
can they have attended? 	can I have been attending?
can you have been attending?
can she have been attending?
can we have been attending?
can you have been attending?
can they have been attending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not attend?
can you not attend?
can she not attend?
can we not attend?
can you not attend?
can they not attend? 	can I not be attending?
can you not be attending?
can she not be attending?
can we not be attending?
can you not be attending?
can they not be attending? 	can I not have attended?
can you not have attended?
can she not have attended?
can we not have attended?
can you not have attended?
can they not have attended? 	can I not have been attending?
can you not have been attending?
can she not have been attending?
can we not have been attending?
can you not have been attending?
can they not have been attending?