could demand
Regular verb: demand - demanded- demanded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demand
you could demand
she could demand
we could demand
you could demand
they could demand 	I could be demanding
you could be demanding
she could be demanding
we could be demanding
you could be demanding
they could be demanding	I could have demanded
you could have demanded
she could have demanded
we could have demanded
you could have demanded
they could have demanded	I could have been demanding
you could have been demanding
she could have been demanding
we could have been demanding
you could have been demanding
they could have been demanding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't demand
you couldn't demand
she couldn't demand
we couldn't demand
you couldn't demand
they couldn't demand 	I couldn't be demanding
you couldn't be demanding
she couldn't be demanding
we couldn't be demanding
you couldn't be demanding
they couldn't be demanding	I couldn't have demanded
you couldn't have demanded
she couldn't have demanded
we couldn't have demanded
you couldn't have demanded
they couldn't have demanded	I couldn't have been demanding
you couldn't have been demanding
she couldn't have been demanding
we couldn't have been demanding
you couldn't have been demanding
they couldn't have been demanding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demand?
could you demand?
could she demand?
could we demand?
could you demand?
could they demand? 	could I be demanding?
could you be demanding?
could she be demanding?
could we be demanding?
could you be demanding?
could they be demanding? 	could I have demanded?
could you have demanded?
could she have demanded?
could we have demanded?
could you have demanded?
could they have demanded? 	could I have been demanding?
could you have been demanding?
could she have been demanding?
could we have been demanding?
could you have been demanding?
could they have been demanding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I demand?
couldn't you demand?
couldn't she demand?
couldn't we demand?
couldn't you demand?
couldn't they demand? 	couldn't I be demanding?
couldn't you be demanding?
couldn't she be demanding?
couldn't we be demanding?
couldn't you be demanding?
couldn't they be demanding? 	couldn't I have demanded?
couldn't you have demanded?
couldn't she have demanded?
couldn't we have demanded?
couldn't you have demanded?
couldn't they have demanded? 	couldn't I have been demanding?
couldn't you have been demanding?
couldn't she have been demanding?
couldn't we have been demanding?
couldn't you have been demanding?
couldn't they have been demanding?