can demand
Verbo regular: demand - demanded- demanded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can demand
you can demand
he can demand
we can demand
you can demand
they can demand 	I can be demanding
you can be demanding
he can be demanding
we can be demanding
you can be demanding
they can be demanding	I can have demanded
you can have demanded
he can have demanded
we can have demanded
you can have demanded
they can have demanded	I can have been demanding
you can have been demanding
he can have been demanding
we can have been demanding
you can have been demanding
they can have been demanding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot demand
you cannot demand
he cannot demand
we cannot demand
you cannot demand
they cannot demand 	I cannot be demanding
you cannot be demanding
he cannot be demanding
we cannot be demanding
you cannot be demanding
they cannot be demanding	I cannot have demanded
you cannot have demanded
he cannot have demanded
we cannot have demanded
you cannot have demanded
they cannot have demanded	I cannot have been demanding
you cannot have been demanding
he cannot have been demanding
we cannot have been demanding
you cannot have been demanding
they cannot have been demanding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I demand?
can you demand?
can he demand?
can we demand?
can you demand?
can they demand? 	can I be demanding?
can you be demanding?
can he be demanding?
can we be demanding?
can you be demanding?
can they be demanding? 	can I have demanded?
can you have demanded?
can he have demanded?
can we have demanded?
can you have demanded?
can they have demanded? 	can I have been demanding?
can you have been demanding?
can he have been demanding?
can we have been demanding?
can you have been demanding?
can they have been demanding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not demand?
can you not demand?
can he not demand?
can we not demand?
can you not demand?
can they not demand? 	can I not be demanding?
can you not be demanding?
can he not be demanding?
can we not be demanding?
can you not be demanding?
can they not be demanding? 	can I not have demanded?
can you not have demanded?
can he not have demanded?
can we not have demanded?
can you not have demanded?
can they not have demanded? 	can I not have been demanding?
can you not have been demanding?
can he not have been demanding?
can we not have been demanding?
can you not have been demanding?
can they not have been demanding?