could demote
Regular verb: demote - demoted- demoted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demote
you could demote
he could demote
we could demote
you could demote
they could demote 	I could be demoting
you could be demoting
he could be demoting
we could be demoting
you could be demoting
they could be demoting	I could have demoted
you could have demoted
he could have demoted
we could have demoted
you could have demoted
they could have demoted	I could have been demoting
you could have been demoting
he could have been demoting
we could have been demoting
you could have been demoting
they could have been demoting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't demote
you couldn't demote
he couldn't demote
we couldn't demote
you couldn't demote
they couldn't demote 	I couldn't be demoting
you couldn't be demoting
he couldn't be demoting
we couldn't be demoting
you couldn't be demoting
they couldn't be demoting	I couldn't have demoted
you couldn't have demoted
he couldn't have demoted
we couldn't have demoted
you couldn't have demoted
they couldn't have demoted	I couldn't have been demoting
you couldn't have been demoting
he couldn't have been demoting
we couldn't have been demoting
you couldn't have been demoting
they couldn't have been demoting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demote?
could you demote?
could he demote?
could we demote?
could you demote?
could they demote? 	could I be demoting?
could you be demoting?
could he be demoting?
could we be demoting?
could you be demoting?
could they be demoting? 	could I have demoted?
could you have demoted?
could he have demoted?
could we have demoted?
could you have demoted?
could they have demoted? 	could I have been demoting?
could you have been demoting?
could he have been demoting?
could we have been demoting?
could you have been demoting?
could they have been demoting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I demote?
couldn't you demote?
couldn't he demote?
couldn't we demote?
couldn't you demote?
couldn't they demote? 	couldn't I be demoting?
couldn't you be demoting?
couldn't he be demoting?
couldn't we be demoting?
couldn't you be demoting?
couldn't they be demoting? 	couldn't I have demoted?
couldn't you have demoted?
couldn't he have demoted?
couldn't we have demoted?
couldn't you have demoted?
couldn't they have demoted? 	couldn't I have been demoting?
couldn't you have been demoting?
couldn't he have been demoting?
couldn't we have been demoting?
couldn't you have been demoting?
couldn't they have been demoting?