can den
Verbo regular: den - dened- dened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can den
you can den
he can den
we can den
you can den
they can den 	I can be dening
you can be dening
he can be dening
we can be dening
you can be dening
they can be dening	I can have dened
you can have dened
he can have dened
we can have dened
you can have dened
they can have dened	I can have been dening
you can have been dening
he can have been dening
we can have been dening
you can have been dening
they can have been dening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot den
you cannot den
he cannot den
we cannot den
you cannot den
they cannot den 	I cannot be dening
you cannot be dening
he cannot be dening
we cannot be dening
you cannot be dening
they cannot be dening	I cannot have dened
you cannot have dened
he cannot have dened
we cannot have dened
you cannot have dened
they cannot have dened	I cannot have been dening
you cannot have been dening
he cannot have been dening
we cannot have been dening
you cannot have been dening
they cannot have been dening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I den?
can you den?
can he den?
can we den?
can you den?
can they den? 	can I be dening?
can you be dening?
can he be dening?
can we be dening?
can you be dening?
can they be dening? 	can I have dened?
can you have dened?
can he have dened?
can we have dened?
can you have dened?
can they have dened? 	can I have been dening?
can you have been dening?
can he have been dening?
can we have been dening?
can you have been dening?
can they have been dening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not den?
can you not den?
can he not den?
can we not den?
can you not den?
can they not den? 	can I not be dening?
can you not be dening?
can he not be dening?
can we not be dening?
can you not be dening?
can they not be dening? 	can I not have dened?
can you not have dened?
can he not have dened?
can we not have dened?
can you not have dened?
can they not have dened? 	can I not have been dening?
can you not have been dening?
can he not have been dening?
can we not have been dening?
can you not have been dening?
can they not have been dening?