can demur
Regular verb: demur - demurred- demurred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can demur
you can demur
he can demur
we can demur
you can demur
they can demur 	I can be demurring
you can be demurring
he can be demurring
we can be demurring
you can be demurring
they can be demurring	I can have demurred
you can have demurred
he can have demurred
we can have demurred
you can have demurred
they can have demurred	I can have been demurring
you can have been demurring
he can have been demurring
we can have been demurring
you can have been demurring
they can have been demurring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't demur
you can't demur
he can't demur
we can't demur
you can't demur
they can't demur 	I can't be demurring
you can't be demurring
he can't be demurring
we can't be demurring
you can't be demurring
they can't be demurring	I can't have demurred
you can't have demurred
he can't have demurred
we can't have demurred
you can't have demurred
they can't have demurred	I can't have been demurring
you can't have been demurring
he can't have been demurring
we can't have been demurring
you can't have been demurring
they can't have been demurring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I demur?
can you demur?
can he demur?
can we demur?
can you demur?
can they demur? 	can I be demurring?
can you be demurring?
can he be demurring?
can we be demurring?
can you be demurring?
can they be demurring? 	can I have demurred?
can you have demurred?
can he have demurred?
can we have demurred?
can you have demurred?
can they have demurred? 	can I have been demurring?
can you have been demurring?
can he have been demurring?
can we have been demurring?
can you have been demurring?
can they have been demurring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I demur?
can't you demur?
can't he demur?
can't we demur?
can't you demur?
can't they demur? 	can't I be demurring?
can't you be demurring?
can't he be demurring?
can't we be demurring?
can't you be demurring?
can't they be demurring? 	can't I have demurred?
can't you have demurred?
can't he have demurred?
can't we have demurred?
can't you have demurred?
can't they have demurred? 	can't I have been demurring?
can't you have been demurring?
can't he have been demurring?
can't we have been demurring?
can't you have been demurring?
can't they have been demurring?